{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.flexion","code":"thing-q11681869","url":"https://ver.cy/models/thing/q11681869/","name":"flexion","alternateNames":["palmarflexion","flexion of the arm at the shoulder joint","flexion of the elbow joint","flexion of the fingers","flexion of the thumb","flexion of the hip joint","flexion of the knee joint","plantar flexion the ankle","dorsiflexion of the ankle joint","flexion of the toes","flexion of the torso","lateral flexion of the torso"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"thing","plane":"ACT","domain":["ACT.EVT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A movement that decreases the angle between two body parts at a joint, such as bending the elbow, knee, hip, fingers or wrist, produced by flexor muscles and opposed by extension; flexion is described in anatomy, measured in physiotherapy and rehabilitation, and central to movement analysis and exercise.","purpose":"Let an agent explain flexion at specific joints, describe normal ranges and measurement, support exercise and rehabilitation information, and route pain or injury to care.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Reduces joint angle","Produced by flexor muscles","Joint-specific terminology","Measured in degrees"],"structure":{"bundles":[{"id":"define","name":"Define","description":"The movement.","layers":[{"id":"joint","name":"Joint","description":"Flexion at a joint.","findings":[{"id":"joint-finding","name":"Joint","description":"Joint.","questions":[{"text":"What does flexion mean at this joint, and which muscles produce it?","kind":"definition"},{"text":"What is the opposite movement?","kind":"definition"}]}]},{"id":"terms","name":"Terms","description":"Related terms.","findings":[{"id":"terms-finding","name":"Terms","description":"Terms.","questions":[{"text":"How do flexion, plantar flexion, dorsiflexion and lateral flexion differ?","kind":"definition"},{"text":"Which planes of motion apply?","kind":"definition"}]}]}]},{"id":"measure","name":"Measure","description":"Range of motion.","layers":[{"id":"range","name":"Range","description":"Normal ranges.","findings":[{"id":"range-finding","name":"Range","description":"Normal ranges.","questions":[{"text":"What is the normal range of flexion at this joint, according to clinical references?","kind":"measurement"},{"text":"How does it vary with age?","kind":"provenance"}]}]},{"id":"tools","name":"Tools","description":"Measuring.","findings":[{"id":"tools-finding","name":"Tools","description":"Measurement.","questions":[{"text":"How is flexion measured with a goniometer or motion capture?","kind":"provenance"},{"text":"What are common measurement errors?","kind":"provenance"}]}]}]},{"id":"health","name":"Health","description":"Injury and rehabilitation.","layers":[{"id":"injury","name":"Injury","description":"Pain or loss of movement.","findings":[{"id":"injury-finding","name":"Injury","description":"Injury.","questions":[{"text":"Is there pain, swelling or sudden loss of flexion suggesting injury?","kind":"boundary"},{"text":"Should medical assessment be sought?","kind":"action"}]}]},{"id":"rehab","name":"Rehab","description":"Rehabilitation.","findings":[{"id":"rehab-finding","name":"Rehab","description":"Rehabilitation.","questions":[{"text":"Which general principles guide restoring flexion after injury or surgery, according to physiotherapy guidance?","kind":"provenance"},{"text":"Is the user asking for a personal treatment plan?","kind":"boundary"}]}]}]},{"id":"movement","name":"Movement","description":"Exercise and analysis.","layers":[{"id":"exercise","name":"Exercise","description":"Training flexion.","findings":[{"id":"exercise-finding","name":"Exercise","description":"Exercise.","questions":[{"text":"Which exercises train flexion strength and mobility safely?","kind":"action"},{"text":"What technique cues help?","kind":"action"}]}]},{"id":"analysis","name":"Analysis","description":"Movement analysis.","findings":[{"id":"analysis-finding","name":"Analysis","description":"Analysis.","questions":[{"text":"How is flexion analysed in gait and sport biomechanics?","kind":"provenance"},{"text":"Which tools are used?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain flexion at each joint and its normal range in general anatomical terms.","Guide a person through exercises a clinician has prescribed, at the pace they set."],"mustNot":["Move a person's joint into flexion, such as in assistive or rehabilitation robotics, beyond the safe range set for them.","Continue a movement when the person reports pain or asks to stop.","Diagnose a joint problem from a reported limited range of movement.","Share a person's movement or rehabilitation data without consent."],"requiresHuman":["Setting range-of-motion limits for a person in therapy or in an assistive device."]},"ethics":{"considerations":["Forcing joints past their range can injure people, especially the frail or disabled.","People in rehabilitation should keep control over their own bodies."],"affectedParties":["Patients in rehabilitation","Users of exoskeletons and assistive devices","Physiotherapists"]},"owners":{"steward":"The person whose body it is; their clinician answers for prescribed therapy.","roles":[],"masterSystems":[]},"relations":[{"target":"Q25624925","type":"parent","note":"registry parent class"},{"target":"muscle movement","type":"related","note":"category"},{"target":"muscle contraction","type":"related","note":"mechanism"},{"target":"extension","type":"related","note":"opposite movement"},{"target":"swimming","type":"related","note":"movement in exercise"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.flexion","Wikidata: Q11681869 (https://www.wikidata.org/wiki/Q11681869)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Decreasing joint angle","Bending movements","Extension increases the joint angle","Bending of a joint that reduces its angle."]},"capabilities":{"applicability":"required","items":["describe flexion at a given joint","explain normal ranges of motion","support exercise and rehabilitation information","route injury and pain to care"]},"hazards":{"applicability":"required","items":["Confusing flexion with other movements","Agents diagnosing injuries","Unsafe exercise advice"]},"interfaces":{"applicability":"required","items":["Anatomical terminology standards","Clinical range of motion measurement standards"]},"context":{"applicability":"required","items":["Anatomy, movement science and rehabilitation.","elbow, shoulder and wrist flexion","hip and knee flexion","finger and thumb flexion","spinal flexion","plantar flexion and dorsiflexion"]}},"sources":[{"title":"Wikidata item Q11681869: flexion","url":"https://www.wikidata.org/wiki/Q11681869","note":"identity and sense of the item"},{"title":"Wikipedia: Flexion","url":"https://en.wikipedia.org/wiki/Flexion","note":"general description of the item"}],"openQuestions":["Should each joint movement be a separate entry?","How should range of motion norms be linked?","How should rehabilitation guidance be linked?"],"resources":{"spec":"/models/things/publications/thing-q11681869/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q11681869/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T19:59:15Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}