{ "format": "trainlog-equipment-knowledge-v1", "version": 1, "equipment": [ { "equipment_id": "abdominal", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Intended loaded crunch; actual spinal vs hip flexion and pad linkage need verification.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_abdominal_wall", "openstax_trunk" ], "capabilities": [ { "display_name": "abdominal crunch", "exercise_ids": [ "ex_9adf7566-f10c-443c-b63b-681d37665693" ], "link_status": "linked_existing", "interpretation": { "family_description": "abdominal_crunch", "action_ids": [ "trunk_flexion" ], "pattern_ids": [ "trunk_flexion" ], "primary_muscle_ids": [ "rectus_abdominis" ], "secondary_muscle_ids": [ "external_oblique", "internal_oblique" ], "stabilizer_muscle_ids": [ "transversus_abdominis" ], "primary_zone_id": "core", "secondary_zone_ids": [], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_abdominal_wall", "openstax_trunk" ], "variant_notes": "Assumes resisted spinal flexion. If movement is predominantly hip flexion, iliopsoas contribution rises and classification needs review. Rectus regions are not independent upper/lower abdominal muscles.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "abdominal_bench", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "bench", "catalog_load_semantics": "bodyweight", "mechanics": "Support and body angle influence gravity moment; crunch and hip-flexing sit-up are distinct executions.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_abdominal_wall", "openstax_trunk" ], "capabilities": [ { "display_name": "abdominal crunch", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "abdominal_crunch", "action_ids": [ "trunk_flexion" ], "pattern_ids": [ "trunk_flexion" ], "primary_muscle_ids": [ "rectus_abdominis" ], "secondary_muscle_ids": [ "external_oblique", "internal_oblique" ], "stabilizer_muscle_ids": [ "transversus_abdominis" ], "primary_zone_id": "core", "secondary_zone_ids": [], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_abdominal_wall", "openstax_trunk" ], "variant_notes": "Assumes resisted spinal flexion. If movement is predominantly hip flexion, iliopsoas contribution rises and classification needs review. Rectus regions are not independent upper/lower abdominal muscles.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "arm_curl", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Elbow flexion against a machine lever; grip, arm support and cam unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "openstax_upper" ], "capabilities": [ { "display_name": "arm curl", "exercise_ids": [ "ex_ec619fc2-4685-4044-873c-86764bd4a0fe" ], "link_status": "linked_existing", "interpretation": { "family_description": "arm_curl", "action_ids": [ "elbow_flexion" ], "pattern_ids": [ "single_joint_elbow_flexion" ], "primary_muscle_ids": [ "biceps_brachii", "brachialis" ], "secondary_muscle_ids": [ "brachioradialis" ], "stabilizer_muscle_ids": [ "forearm_extensors", "forearm_flexors" ], "primary_zone_id": "arms", "secondary_zone_ids": [], "confidence": "high", "evidence_type": "biomechanical_interpretation", "source_refs": [ "openstax_upper" ], "variant_notes": "Grip/forearm orientation and shoulder support alter contributions. Curl label does not mean biceps exclusively.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "assisted_dip_chin_machine", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "assisted_bodyweight_machine", "catalog_load_semantics": "assistance", "mechanics": "Counterbalanced body support assists separate dip and chin/pull-up tasks. More assistance generally reduces net demand.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "lehman_2004", "life_fitness_catalog_2024", "nih_pectoralis", "openstax_upper" ], "capabilities": [ { "display_name": "assisted dip", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "assisted_dip", "action_ids": [ "elbow_extension", "shoulder_flexion" ], "pattern_ids": [ "vertical_push" ], "primary_muscle_ids": [ "pectoralis_major", "triceps_brachii" ], "secondary_muscle_ids": [ "deltoid_anterior" ], "stabilizer_muscle_ids": [ "forearm_flexors", "serratus_anterior" ], "primary_zone_id": "arms", "secondary_zone_ids": [ "chest", "shoulders" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_pectoralis", "openstax_upper" ], "variant_notes": "Supported-body dip with humerus returning from extension; chest vs triceps emphasis varies with torso/handle geometry. Vertical push is a broad direction convention, not an overhead press equivalent. Single primary BODY ZONE remains a conditional UX choice.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." }, { "display_name": "assisted chin pullup", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "assisted_chin_pullup", "action_ids": [ "elbow_flexion", "shoulder_adduction", "shoulder_extension" ], "pattern_ids": [ "vertical_pull" ], "primary_muscle_ids": [ "latissimus_dorsi" ], "secondary_muscle_ids": [ "biceps_brachii", "brachialis", "brachioradialis", "teres_major" ], "stabilizer_muscle_ids": [ "forearm_flexors", "rectus_abdominis" ], "primary_zone_id": "back", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "lehman_2004", "openstax_upper" ], "variant_notes": "Chin-up and pronated pull-up are grip variants requiring separate execution context. Assistance decreases demand; body mass, assistance mechanism and range matter.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "back_extension", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Resisted trunk extension; pelvic restraint determines spinal vs hip motion.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "lee_2015", "openstax_back", "openstax_lower" ], "capabilities": [ { "display_name": "back extension", "exercise_ids": [ "ex_474ec393-3efa-4aaa-8e08-1a0245ed7835" ], "link_status": "linked_existing", "interpretation": { "family_description": "back_extension", "action_ids": [ "trunk_extension" ], "pattern_ids": [ "trunk_extension" ], "primary_muscle_ids": [ "erector_spinae" ], "secondary_muscle_ids": [ "multifidus" ], "stabilizer_muscle_ids": [ "external_oblique", "internal_oblique", "rectus_abdominis" ], "primary_zone_id": "back", "secondary_zone_ids": [ "core" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "lee_2015", "openstax_back", "openstax_lower" ], "variant_notes": "Assumes pelvis restrained and actual spinal extension. If pelvis rotates with near-neutral spine, hip extensors may become major movers; observation needed before adding glutes/thighs or relabeling hip dominant.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "battle_ropes", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "functional_equipment", "catalog_load_semantics": "bodyweight", "mechanics": "Moving rope has mass/inertia and wave dynamics; catalog bodyweight is a legacy category, not a valid scalar load model.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": "Existing bodyweight category retained. Rope inertia is not quantified by bodyweight; review future explicit load vocabulary separately.", "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "converging_shoulder_press", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "machine", "catalog_load_semantics": "external", "mechanics": "Overhead press with convergence suggested by label; plane and resistance curve unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_deltoid", "openstax_upper" ], "capabilities": [ { "display_name": "machine shoulder press", "exercise_ids": [ "ex_6dfc7ffd-8891-464e-a995-808baf1b0d7b" ], "link_status": "linked_existing", "interpretation": { "family_description": "machine_shoulder_press", "action_ids": [ "elbow_extension", "scapular_upward_rotation", "shoulder_abduction", "shoulder_flexion" ], "pattern_ids": [ "vertical_push" ], "primary_muscle_ids": [ "deltoid_anterior", "deltoid_middle" ], "secondary_muscle_ids": [ "serratus_anterior", "trapezius_lower", "trapezius_upper", "triceps_brachii" ], "stabilizer_muscle_ids": [ "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "shoulders", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_deltoid", "openstax_upper" ], "variant_notes": "Press overhead; exact plane, convergence, back support and available scapular motion are unverified. Clavicular pectoral contribution possible but not a reason to assign chest as a universal secondary zone.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "diverging_lat_pulldown", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Overhead-to-torso pull; divergent path indicated by supplied label, not independently measured.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "lehman_2004", "openstax_upper", "vigotsky_2018" ], "capabilities": [ { "display_name": "lat pulldown", "exercise_ids": [ "ex_b4d1daf1-de4a-4016-abdf-487bf6014ce6" ], "link_status": "linked_existing", "interpretation": { "family_description": "lat_pulldown", "action_ids": [ "elbow_flexion", "scapular_downward_rotation", "shoulder_adduction", "shoulder_extension" ], "pattern_ids": [ "vertical_pull" ], "primary_muscle_ids": [ "latissimus_dorsi" ], "secondary_muscle_ids": [ "biceps_brachii", "brachialis", "brachioradialis", "teres_major" ], "stabilizer_muscle_ids": [ "forearm_extensors", "forearm_flexors", "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "back", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "lehman_2004", "openstax_upper", "vigotsky_2018" ], "variant_notes": "Arm plane and torso lean change relative adduction/extension; grip and divergent linkage do not prove regional isolation. Scapular control accompanies return from overhead.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "diverging_seated_row", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Horizontal pull on reportedly divergent handles; exact path unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "franke_2015", "lehman_2004", "openstax_upper" ], "capabilities": [ { "display_name": "seated row", "exercise_ids": [ "ex_1b0c6b8b-b05e-4e6f-8809-5f7d85d668de" ], "link_status": "linked_existing", "interpretation": { "family_description": "seated_row", "action_ids": [ "elbow_flexion", "scapular_retraction", "shoulder_extension", "shoulder_horizontal_abduction" ], "pattern_ids": [ "horizontal_pull" ], "primary_muscle_ids": [ "latissimus_dorsi", "rhomboids", "trapezius_middle" ], "secondary_muscle_ids": [ "biceps_brachii", "brachialis", "brachioradialis", "deltoid_posterior", "teres_major" ], "stabilizer_muscle_ids": [ "erector_spinae", "forearm_extensors", "forearm_flexors" ], "primary_zone_id": "back", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "franke_2015", "lehman_2004", "openstax_upper" ], "variant_notes": "Relative lat/scapular/posterior-deltoid roles depend on elbow path, height and torso support. Listed shoulder actions are alternatives/emphases across rows rather than fixed equal contributions.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "dual_adjustable_pulley", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cable_machine", "catalog_load_semantics": "external", "mechanics": "Two adjustable cable lines; independent stack labels, routing and attachment setup matter.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions", "precor_pulley_example" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "dumbbells", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "free_weight", "catalog_load_semantics": "external", "mechanics": "Free mass under gravity plus inertia; exercise and unilateral/bilateral accounting required.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "eq_0a462c1e-9fb6-4fd7-b0a2-53a0e86f33c6", "manufacturer": null, "model": null, "identification_status": "custom_identity_only", "catalog_type": "custom_unresolved", "catalog_load_semantics": null, "mechanics": "Only durable custom identity and display label established; no geometry confirmation.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "nih_deltoid", "nih_pectoralis", "openstax_upper" ], "capabilities": [ { "display_name": "machine chest press", "exercise_ids": [ "ex_8552dd77-fcd7-4f06-a1cc-d956eb1009af" ], "link_status": "linked_identity_conditional_interpretation", "interpretation": { "family_description": "machine_chest_press", "action_ids": [ "elbow_extension", "shoulder_horizontal_adduction" ], "pattern_ids": [ "horizontal_push" ], "primary_muscle_ids": [ "pectoralis_major" ], "secondary_muscle_ids": [ "deltoid_anterior", "triceps_brachii" ], "stabilizer_muscle_ids": [ "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "chest", "secondary_zone_ids": [ "arms", "shoulders" ], "confidence": "uncertain", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_deltoid", "nih_pectoralis", "openstax_upper" ], "variant_notes": "Assumes seated anterior press near chest height; incline, seat height, elbow path and converging linkage change shoulder flexion/regional contributions. No independent upper/lower chest isolation.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm movement; label is insufficient anatomical evidence." } ], "requires_actual_exercise": true, "limitations": [ "Do not merge with similarly named supplied equipment." ], "scientific_status": "equipment_identity_uncertain", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "eq_3f987a36-bbb4-4e29-9c9f-1f201f1596e0", "manufacturer": null, "model": null, "identification_status": "custom_identity_only", "catalog_type": "custom_unresolved", "catalog_load_semantics": null, "mechanics": "Only durable custom identity and display label established; no geometry confirmation.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "nih_abdominal_wall", "openstax_trunk" ], "capabilities": [ { "display_name": "abdominal crunch", "exercise_ids": [ "ex_4bd03d55-e644-436e-876e-07837824bde5" ], "link_status": "linked_identity_conditional_interpretation", "interpretation": { "family_description": "abdominal_crunch", "action_ids": [ "trunk_flexion" ], "pattern_ids": [ "trunk_flexion" ], "primary_muscle_ids": [ "rectus_abdominis" ], "secondary_muscle_ids": [ "external_oblique", "internal_oblique" ], "stabilizer_muscle_ids": [ "transversus_abdominis" ], "primary_zone_id": "core", "secondary_zone_ids": [], "confidence": "uncertain", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_abdominal_wall", "openstax_trunk" ], "variant_notes": "Assumes resisted spinal flexion. If movement is predominantly hip flexion, iliopsoas contribution rises and classification needs review. Rectus regions are not independent upper/lower abdominal muscles.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm movement; label is insufficient anatomical evidence." } ], "requires_actual_exercise": true, "limitations": [ "Do not merge with similarly named supplied equipment." ], "scientific_status": "equipment_identity_uncertain", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "eq_c660cd61-5b17-498e-8d51-9eafcf7e2731", "manufacturer": null, "model": null, "identification_status": "custom_identity_only", "catalog_type": "custom_unresolved", "catalog_load_semantics": null, "mechanics": "Only durable custom identity and display label established; no geometry confirmation.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "nih_deltoid", "nih_pectoralis", "openstax_upper" ], "capabilities": [ { "display_name": "machine chest press", "exercise_ids": [ "ex_34a5c9c3-c032-4dfb-be32-8bf09832f72b" ], "link_status": "linked_identity_conditional_interpretation", "interpretation": { "family_description": "machine_chest_press", "action_ids": [ "elbow_extension", "shoulder_horizontal_adduction" ], "pattern_ids": [ "horizontal_push" ], "primary_muscle_ids": [ "pectoralis_major" ], "secondary_muscle_ids": [ "deltoid_anterior", "triceps_brachii" ], "stabilizer_muscle_ids": [ "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "chest", "secondary_zone_ids": [ "arms", "shoulders" ], "confidence": "uncertain", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_deltoid", "nih_pectoralis", "openstax_upper" ], "variant_notes": "Assumes seated anterior press near chest height; incline, seat height, elbow path and converging linkage change shoulder flexion/regional contributions. No independent upper/lower chest isolation.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm movement; label is insufficient anatomical evidence." } ], "requires_actual_exercise": true, "limitations": [ "Do not merge with similarly named supplied equipment." ], "scientific_status": "equipment_identity_uncertain", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "functional_trainer", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cable_machine", "catalog_load_semantics": "external", "mechanics": "Adjustable cable line permits many exercises. Attachment, pulley height, direction, ratio and execution required.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions", "precor_pulley_example" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "hip_abduction", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Pads resist thigh separation; hip-flexion and rotation settings unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_gluteus_minimus", "openstax_lower" ], "capabilities": [ { "display_name": "hip abduction", "exercise_ids": [ "ex_7e7cf906-2214-4066-bcb7-c16382d83b3b" ], "link_status": "linked_existing", "interpretation": { "family_description": "hip_abduction", "action_ids": [ "hip_abduction" ], "pattern_ids": [ "single_joint_hip_abduction" ], "primary_muscle_ids": [ "gluteus_medius", "gluteus_minimus" ], "secondary_muscle_ids": [ "gluteus_maximus", "tensor_fasciae_latae" ], "stabilizer_muscle_ids": [], "primary_zone_id": "glutes", "secondary_zone_ids": [], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_gluteus_minimus", "openstax_lower" ], "variant_notes": "Seated hip-flexion angle changes fiber lines of action; no definitive gluteal ranking. Superior gluteus-maximus fibers may assist dynamically depending on hip angle; this is a conditional secondary role.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "hip_adduction", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Pads resist thigh approximation; hip/knee angles unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "openstax_lower" ], "capabilities": [ { "display_name": "hip adduction", "exercise_ids": [ "ex_01ff06dd-ad00-46ee-9b46-ed32cabedbef" ], "link_status": "linked_existing", "interpretation": { "family_description": "hip_adduction", "action_ids": [ "hip_adduction" ], "pattern_ids": [ "single_joint_hip_adduction" ], "primary_muscle_ids": [ "hip_adductors" ], "secondary_muscle_ids": [], "stabilizer_muscle_ids": [], "primary_zone_id": "thighs", "secondary_zone_ids": [], "confidence": "high", "evidence_type": "biomechanical_interpretation", "source_refs": [ "openstax_lower" ], "variant_notes": "Close thighs against resistance; different adductors and gracilis span different joints; seat/knee position affects contribution.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "indoor_cycle", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cardio_machine", "catalog_load_semantics": "cardio", "mechanics": "Cycle ergometer with flywheel/resistance; standing and seated pedaling are distinct contexts.", "evidence_type": "practical_inference", "confidence": "moderate", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "kettlebells", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "free_weight", "catalog_load_semantics": "external", "mechanics": "Free mass with offset grip; ballistic vs slow movement changes inertial demands.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "lat_pull", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Supplied vertical-pull machine; attachment, pulley ratio and arm path unresolved.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "lehman_2004", "openstax_upper", "vigotsky_2018" ], "capabilities": [ { "display_name": "lat pulldown", "exercise_ids": [ "ex_a72fa713-4b0e-431d-95e2-42d95beb77b1" ], "link_status": "linked_existing", "interpretation": { "family_description": "lat_pulldown", "action_ids": [ "elbow_flexion", "scapular_downward_rotation", "shoulder_adduction", "shoulder_extension" ], "pattern_ids": [ "vertical_pull" ], "primary_muscle_ids": [ "latissimus_dorsi" ], "secondary_muscle_ids": [ "biceps_brachii", "brachialis", "brachioradialis", "teres_major" ], "stabilizer_muscle_ids": [ "forearm_extensors", "forearm_flexors", "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "back", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "lehman_2004", "openstax_upper", "vigotsky_2018" ], "variant_notes": "Arm plane and torso lean change relative adduction/extension; grip and divergent linkage do not prove regional isolation. Scapular control accompanies return from overhead.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "lat_pulldown", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Supplied vertical-pull machine; do not equate with other lat machines by name.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "lehman_2004", "openstax_upper", "vigotsky_2018" ], "capabilities": [ { "display_name": "lat pulldown", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "lat_pulldown", "action_ids": [ "elbow_flexion", "scapular_downward_rotation", "shoulder_adduction", "shoulder_extension" ], "pattern_ids": [ "vertical_pull" ], "primary_muscle_ids": [ "latissimus_dorsi" ], "secondary_muscle_ids": [ "biceps_brachii", "brachialis", "brachioradialis", "teres_major" ], "stabilizer_muscle_ids": [ "forearm_extensors", "forearm_flexors", "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "back", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "lehman_2004", "openstax_upper", "vigotsky_2018" ], "variant_notes": "Arm plane and torso lean change relative adduction/extension; grip and divergent linkage do not prove regional isolation. Scapular control accompanies return from overhead.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "leg_extension", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Distal lower-leg resistance creates knee-flexion external moment during extension effort; cam unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "openstax_lower" ], "capabilities": [ { "display_name": "leg extension", "exercise_ids": [ "ex_1872246a-39ae-44dc-b58d-f87e90ca49ab" ], "link_status": "linked_existing", "interpretation": { "family_description": "leg_extension", "action_ids": [ "knee_extension" ], "pattern_ids": [ "single_joint_knee_extension" ], "primary_muscle_ids": [ "quadriceps" ], "secondary_muscle_ids": [], "stabilizer_muscle_ids": [], "primary_zone_id": "thighs", "secondary_zone_ids": [], "confidence": "high", "evidence_type": "biomechanical_interpretation", "source_refs": [ "openstax_lower" ], "variant_notes": "Seated resisted knee extension; rectus femoris is biarticular while vasti cross only the knee. Roller/axis alignment and hip angle affect mechanics.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "leg_press", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Supported multi-joint hip/knee extension against a selectorized mechanism.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "martin_fuentes_2020", "openstax_lower", "vigotsky_2018" ], "capabilities": [ { "display_name": "leg press", "exercise_ids": [ "ex_b432623f-bfe9-4daf-a653-60ec7fdffbde" ], "link_status": "linked_existing", "interpretation": { "family_description": "leg_press", "action_ids": [ "hip_extension", "knee_extension" ], "pattern_ids": [ "knee_dominant" ], "primary_muscle_ids": [ "quadriceps" ], "secondary_muscle_ids": [ "adductor_magnus", "gluteus_maximus" ], "stabilizer_muscle_ids": [ "gastrocnemius", "soleus" ], "primary_zone_id": "thighs", "secondary_zone_ids": [ "glutes" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "martin_fuentes_2020", "openstax_lower", "vigotsky_2018" ], "variant_notes": "Hip and knee extend together. Depth, seat/foot position and device geometry change joint moments. Hamstring coactivation does not make this a knee-flexor substitute. Selectorized and plate-loaded results stay separate contexts.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "low_row", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Lower handle start can change shoulder extension path; geometry unconfirmed.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "franke_2015", "lehman_2004", "openstax_upper" ], "capabilities": [ { "display_name": "seated row", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "seated_row", "action_ids": [ "elbow_flexion", "scapular_retraction", "shoulder_extension", "shoulder_horizontal_abduction" ], "pattern_ids": [ "horizontal_pull" ], "primary_muscle_ids": [ "latissimus_dorsi", "rhomboids", "trapezius_middle" ], "secondary_muscle_ids": [ "biceps_brachii", "brachialis", "brachioradialis", "deltoid_posterior", "teres_major" ], "stabilizer_muscle_ids": [ "erector_spinae", "forearm_extensors", "forearm_flexors" ], "primary_zone_id": "back", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "franke_2015", "lehman_2004", "openstax_upper" ], "variant_notes": "Relative lat/scapular/posterior-deltoid roles depend on elbow path, height and torso support. Listed shoulder actions are alternatives/emphases across rows rather than fixed equal contributions.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "medicine_ball", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "functional_equipment", "catalog_load_semantics": "external", "mechanics": "External mass used in holds, throws or other tasks; velocity and impact matter.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "perfect_squat", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "plate_loaded_machine", "catalog_load_semantics": "external", "mechanics": "Guided squat capability suggested by identity; linkage, support and knee/hip torque distribution unconfirmed.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "plate_loaded_leg_press", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "plate_loaded_machine", "catalog_load_semantics": "external", "mechanics": "Plate-loaded multi-joint hip/knee extension; sled angle, lever arms, tare and friction unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "martin_fuentes_2020", "openstax_lower", "vigotsky_2018" ], "capabilities": [ { "display_name": "leg press", "exercise_ids": [ "ex_b432623f-bfe9-4daf-a653-60ec7fdffbde" ], "link_status": "linked_existing", "interpretation": { "family_description": "leg_press", "action_ids": [ "hip_extension", "knee_extension" ], "pattern_ids": [ "knee_dominant" ], "primary_muscle_ids": [ "quadriceps" ], "secondary_muscle_ids": [ "adductor_magnus", "gluteus_maximus" ], "stabilizer_muscle_ids": [ "gastrocnemius", "soleus" ], "primary_zone_id": "thighs", "secondary_zone_ids": [ "glutes" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "martin_fuentes_2020", "openstax_lower", "vigotsky_2018" ], "variant_notes": "Hip and knee extend together. Depth, seat/foot position and device geometry change joint moments. Hamstring coactivation does not make this a knee-flexor substitute. Selectorized and plate-loaded results stay separate contexts.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "prone_leg_curl", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Prone knee flexion; generally less hip flexion than seated configuration.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "maeo_2021", "openstax_lower" ], "capabilities": [ { "display_name": "prone leg curl", "exercise_ids": [ "ex_d7398d9f-d928-4d2e-94e9-74e201da55c5" ], "link_status": "linked_existing", "interpretation": { "family_description": "prone_leg_curl", "action_ids": [ "knee_flexion" ], "pattern_ids": [ "single_joint_knee_flexion" ], "primary_muscle_ids": [ "hamstrings" ], "secondary_muscle_ids": [ "gastrocnemius" ], "stabilizer_muscle_ids": [], "primary_zone_id": "thighs", "secondary_zone_ids": [], "confidence": "high", "evidence_type": "biomechanical_interpretation", "source_refs": [ "maeo_2021", "openstax_lower" ], "variant_notes": "Prone support generally uses less hip flexion than seated curl. Same knee-flexor family, distinct length/geometry context. Gastrocnemius assistance is position dependent.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "rear_delt_pec_fly", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_combo_machine", "catalog_load_semantics": "external", "mechanics": "Reconfigurable opposing shoulder horizontal-abduction and horizontal-adduction tasks; two separate exercise capabilities.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "franke_2015", "life_fitness_catalog_2024", "nih_deltoid", "nih_pectoralis", "openstax_upper", "vigotsky_2018" ], "capabilities": [ { "display_name": "rear delt fly", "exercise_ids": [ "ex_4cd2433e-80b1-478a-b8df-73fc6ef80962" ], "link_status": "linked_existing", "interpretation": { "family_description": "rear_delt_fly", "action_ids": [ "scapular_retraction", "shoulder_horizontal_abduction" ], "pattern_ids": [ "single_joint_shoulder_horizontal_abduction" ], "primary_muscle_ids": [ "deltoid_posterior" ], "secondary_muscle_ids": [ "rhomboids", "trapezius_middle" ], "stabilizer_muscle_ids": [ "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "shoulders", "secondary_zone_ids": [ "back" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "franke_2015", "nih_deltoid", "openstax_upper", "vigotsky_2018" ], "variant_notes": "Reverse-fly configuration on combined machine. Scapular movement and elbow height affect back contribution; external rotation is not guaranteed by reverse-fly name.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." }, { "display_name": "pec fly", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "pec_fly", "action_ids": [ "shoulder_horizontal_adduction" ], "pattern_ids": [ "single_joint_shoulder_horizontal_adduction" ], "primary_muscle_ids": [ "pectoralis_major" ], "secondary_muscle_ids": [ "deltoid_anterior" ], "stabilizer_muscle_ids": [ "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "chest", "secondary_zone_ids": [ "shoulders" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_deltoid", "nih_pectoralis", "openstax_upper" ], "variant_notes": "Forward fly configuration with near-fixed elbow; differs from pressing and from rear-delt configuration. Triceps may stabilize but is not a required dynamic synergist.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "recumbent_bike", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cardio_machine", "catalog_load_semantics": "cardio", "mechanics": "Supported reclined cycling; hip position and crank location differ from upright bike.", "evidence_type": "practical_inference", "confidence": "moderate", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "rotary_torso", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Resistance to relative thorax-pelvis rotation; which segment is fixed unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_abdominal_wall", "openstax_back", "openstax_trunk" ], "capabilities": [ { "display_name": "rotary torso", "exercise_ids": [ "ex_1a34814c-2e46-40fc-b1f4-6d60b8e5a3e0" ], "link_status": "catalog_compatible_not_observed_occurrence", "interpretation": { "family_description": "rotary_torso", "action_ids": [ "trunk_rotation" ], "pattern_ids": [ "trunk_rotation" ], "primary_muscle_ids": [ "external_oblique", "internal_oblique" ], "secondary_muscle_ids": [ "multifidus" ], "stabilizer_muscle_ids": [ "erector_spinae", "transversus_abdominis" ], "primary_zone_id": "core", "secondary_zone_ids": [], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_abdominal_wall", "openstax_back", "openstax_trunk" ], "variant_notes": "Thorax rotates relative to pelvis, or reverse with thorax restrained. Ipsilateral internal and contralateral external oblique pair for a direction. Do not claim isolated lumbar rotation or spot reduction.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "rowing_machine", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cardio_machine", "catalog_load_semantics": "cardio", "mechanics": "Cyclic leg drive plus trunk/arm sequence; drag setting is not external kilograms.", "evidence_type": "practical_inference", "confidence": "moderate", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "seated_dip", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Seated hand press-down against external resistance; shoulder excursion varies; not assisted bodyweight dip.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_pectoralis", "openstax_upper" ], "capabilities": [ { "display_name": "seated dip", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "seated_dip", "action_ids": [ "elbow_extension" ], "pattern_ids": [ "single_joint_elbow_extension" ], "primary_muscle_ids": [ "triceps_brachii" ], "secondary_muscle_ids": [ "deltoid_anterior", "pectoralis_major" ], "stabilizer_muscle_ids": [ "forearm_flexors" ], "primary_zone_id": "arms", "secondary_zone_ids": [ "chest", "shoulders" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_pectoralis", "openstax_upper" ], "variant_notes": "Interpretation limited to the elbow-dominant component; pectoral/anterior-deltoid assistance is conditional on actual path. Machine seated pushdown/dip: shoulder excursion and mechanical linkage must be observed. Not equivalent to assisted bodyweight dip; some variants are multi-joint and require pattern review.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "seated_leg_curl", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Seated knee flexion; hip flexion changes biarticular hamstring length.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "maeo_2021", "openstax_lower" ], "capabilities": [ { "display_name": "seated leg curl", "exercise_ids": [ "ex_617007f9-7420-4408-91b9-8ffb77900f13", "ex_a1ef5047-b44b-4c64-a6ed-c7a3bc13b163" ], "link_status": "linked_existing", "interpretation": { "family_description": "seated_leg_curl", "action_ids": [ "knee_flexion" ], "pattern_ids": [ "single_joint_knee_flexion" ], "primary_muscle_ids": [ "hamstrings" ], "secondary_muscle_ids": [ "gastrocnemius" ], "stabilizer_muscle_ids": [], "primary_zone_id": "thighs", "secondary_zone_ids": [], "confidence": "high", "evidence_type": "biomechanical_interpretation", "source_refs": [ "maeo_2021", "openstax_lower" ], "variant_notes": "Hip flexion lengthens biarticular hamstrings at matched knee angle; biceps short head is not lengthened through hip flexion. Do not infer all variants share MAX or equivalent hypertrophy.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "seated_row", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "selectorized_machine", "catalog_load_semantics": "external", "mechanics": "Seated horizontal pull; handle, support and linkage unknown.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "franke_2015", "lehman_2004", "openstax_upper" ], "capabilities": [ { "display_name": "seated row", "exercise_ids": [ "ex_33f79331-871c-4eed-babe-346e53a99070" ], "link_status": "linked_existing", "interpretation": { "family_description": "seated_row", "action_ids": [ "elbow_flexion", "scapular_retraction", "shoulder_extension", "shoulder_horizontal_abduction" ], "pattern_ids": [ "horizontal_pull" ], "primary_muscle_ids": [ "latissimus_dorsi", "rhomboids", "trapezius_middle" ], "secondary_muscle_ids": [ "biceps_brachii", "brachialis", "brachioradialis", "deltoid_posterior", "teres_major" ], "stabilizer_muscle_ids": [ "erector_spinae", "forearm_extensors", "forearm_flexors" ], "primary_zone_id": "back", "secondary_zone_ids": [ "arms" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "franke_2015", "lehman_2004", "openstax_upper" ], "variant_notes": "Relative lat/scapular/posterior-deltoid roles depend on elbow path, height and torso support. Listed shoulder actions are alternatives/emphases across rows rather than fixed equal contributions.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "stair_climber", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cardio_machine", "catalog_load_semantics": "cardio", "mechanics": "Repeated stepping against gravity/device; step geometry, speed and hand support matter.", "evidence_type": "practical_inference", "confidence": "moderate", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "suspension_trainer", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "functional_equipment", "catalog_load_semantics": "bodyweight", "mechanics": "Body angle, support points and strap line change fraction of bodyweight and joint moments.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "treadmill", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cardio_machine", "catalog_load_semantics": "cardio", "mechanics": "Moving belt supports walking/running; speed, grade and rail support change task.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_gluteus_minimus", "openstax_lower" ], "capabilities": [ { "display_name": "walking", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "walking", "action_ids": [ "ankle_dorsiflexion", "ankle_plantarflexion", "hip_extension", "hip_flexion", "knee_extension", "knee_flexion" ], "pattern_ids": [ "locomotion" ], "primary_muscle_ids": [ "gastrocnemius", "gluteus_maximus", "quadriceps", "soleus" ], "secondary_muscle_ids": [ "hamstrings", "iliopsoas", "tibialis_anterior" ], "stabilizer_muscle_ids": [ "erector_spinae", "gluteus_medius", "gluteus_minimus" ], "primary_zone_id": "full_body", "secondary_zone_ids": [], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_gluteus_minimus", "openstax_lower" ], "variant_notes": "Multi-phase gait: role lists summarize different phases, not simultaneous prime movers. Speed, grade, handrail support and gait mechanics unresolved. Full-body is only an optional UX candidate, not mandatory due to cardio metadata.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "upright_bike", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "cardio_machine", "catalog_load_semantics": "cardio", "mechanics": "Cyclic pedaling with seated geometry; crank resistance, cadence and seat fit matter.", "evidence_type": "practical_inference", "confidence": "moderate", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "vertical_chest_press", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "machine", "catalog_load_semantics": "external", "mechanics": "Vertical can describe apparatus orientation; presumed forward chest-level press, not proof of overhead pressing.", "evidence_type": "biomechanical_interpretation", "confidence": "moderate", "source_refs": [ "nih_deltoid", "nih_pectoralis", "openstax_upper" ], "capabilities": [ { "display_name": "machine chest press", "exercise_ids": [], "link_status": "unlinked_capability", "interpretation": { "family_description": "machine_chest_press", "action_ids": [ "elbow_extension", "shoulder_horizontal_adduction" ], "pattern_ids": [ "horizontal_push" ], "primary_muscle_ids": [ "pectoralis_major" ], "secondary_muscle_ids": [ "deltoid_anterior", "triceps_brachii" ], "stabilizer_muscle_ids": [ "infraspinatus", "subscapularis", "supraspinatus", "teres_minor" ], "primary_zone_id": "chest", "secondary_zone_ids": [ "arms", "shoulders" ], "confidence": "moderate", "evidence_type": "biomechanical_interpretation", "source_refs": [ "nih_deltoid", "nih_pectoralis", "openstax_upper" ], "variant_notes": "Assumes seated anterior press near chest height; incline, seat height, elbow path and converging linkage change shoulder flexion/regional contributions. No independent upper/lower chest isolation.", "role_notes": "Qualitative plausible roles under the specified execution; not percentage force, EMG rankings or equivalent effective sets. Group and child anatomy must not be double-counted." }, "requirements": "Confirm actual exercise variant and equipment setup before treating as performed exercise; allocate no synthetic ex_ identity." } ], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "scientifically_documented", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." }, { "equipment_id": "weighted_bag", "manufacturer": null, "model": null, "identification_status": "manufacturer_model_unresolved", "catalog_type": "free_weight", "catalog_load_semantics": "external", "mechanics": "External mass; grip and load distribution vary. Carry, squat and lift are different exercises.", "evidence_type": "practical_inference", "confidence": "uncertain", "source_refs": [ "openstax_actions" ], "capabilities": [], "requires_actual_exercise": true, "limitations": [ "No measured local trajectory, torque curve, calibration or force equivalence.", "Manufacturer sources, when present, are generic examples only." ], "audit_note": null, "scientific_status": "mechanically_identified_anatomy_incomplete", "scientific_status_scope": "Exercise-family anatomy and generic mechanics only; scientifically_documented never certifies a local manufacturer/model, resistance curve or actual execution. Flexible/mode-dependent equipment needs a specified exercise." } ] }