{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T13:11:21Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-05T18:00:00Z", "ingestedAt": "2026-10-05T13:30:12+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:51:54+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q1384981", "registryId": "vr.tr.extension", "name": "extension", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.EVT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1384981/", "model": { "registry_id": "vr.tr.extension", "name": "extension", "purpose": "Let an agent explain extension by joint, muscles involved and range of motion measurement in general terms, route suspected serious injuries to care, and separate other senses of extension.", "definition": "In anatomy, a movement that increases the angle between body parts at a joint, straightening a limb or the trunk, such as extending the elbow, knee, hip, wrist, fingers or neck; it is the opposite of flexion, and movement beyond the normal range is hyperextension.", "what_it_is_for": "Describing movement in anatomy, exercise and rehabilitation.", "affordances": [ "describe extension at a given joint", "identify muscles that produce it", "understand range of motion measurement", "separate other senses of extension" ], "distinguishing_features": [ "Increases joint angle", "Opposite of flexion", "Produced by extensor muscles", "Measured in degrees" ], "appearance": "Straightening of a joint, such as a straight arm or leg.", "visual_identification": [ "Straightening movements", "Opposite of bending (flexion)", "Hyperextension goes beyond the normal range" ], "physical_properties": [], "families_and_kinds": [ "elbow and knee extension", "hip and trunk extension", "wrist and finger extension", "neck extension", "hyperextension" ], "related_models": [ { "relation": "is a kind of", "target": "muscle movement", "why": "category" }, { "relation": "is contrasted with", "target": "flexion", "why": "opposite" }, { "relation": "is produced by", "target": "extensor muscle", "why": "agent" }, { "relation": "is measured by", "target": "goniometer", "why": "instrument" } ], "identifiers": [], "standards_and_regulation": [ "Anatomical terminology (Terminologia Anatomica)", "Clinical range of motion reference values" ], "failure_modes_and_hazards": [ "Hyperextension injuries", "Agents diagnosing joint problems", "Confusing senses of extension" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Explain joint extension and its normal range, citing anatomy sources.", "Guide exercises a clinician has prescribed and log the person's progress." ], "must_not": [ "Force a joint into extension beyond its safe range, for example in an assistive or rehabilitation device.", "Diagnose a joint problem or prescribe treatment for a person.", "Share a person's movement or health data without consent." ], "requires_human": [ "Changing the settings of a rehabilitation or exoskeleton device." ] }, "ethics": { "considerations": [ "Overextension injuries can cause lasting damage, especially to frail people.", "Movement data can reveal health conditions." ], "affected_parties": [ "Patients and athletes", "Users of assistive devices" ] }, "owners": { "steward": "The person whose body it is; their clinician answers for treatment.", "master_systems": [] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1384981: extension", "url": "https://www.wikidata.org/wiki/Q1384981", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Extension (kinesiology)", "url": "https://en.wikipedia.org/wiki/Extension_%28kinesiology%29", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "anatomy", "name": "Anatomy", "description": "Movement.", "rationale": "Joints differ.", "layers": [ { "id": "joint", "name": "Joint", "description": "Which joint.", "findings": [ { "id": "joint-finding", "name": "Joint", "description": "Joint.", "questions": [ { "text": "Which joint is extending, and in which plane?", "kind": "definition" }, { "text": "What is the normal range, according to reference sources?", "kind": "measurement" } ] } ] }, { "id": "muscles", "name": "Muscles", "description": "Extensors.", "findings": [ { "id": "muscles-finding", "name": "Muscles", "description": "Muscles.", "questions": [ { "text": "Which muscles produce this extension?", "kind": "definition" }, { "text": "Which nerves supply them?", "kind": "definition" } ] } ] } ] }, { "id": "measure", "name": "Measure", "description": "Range of motion.", "rationale": "Measurement needs method.", "layers": [ { "id": "goniometry", "name": "Goniometry", "description": "Measuring angles.", "findings": [ { "id": "goniometry-finding", "name": "Goniometry", "description": "Goniometry.", "questions": [ { "text": "How is extension range measured with a goniometer?", "kind": "definition" }, { "text": "What is the starting position?", "kind": "definition" } ] } ] }, { "id": "exercise", "name": "Exercise", "description": "Training.", "findings": [ { "id": "exercise-finding", "name": "Exercise", "description": "Exercise.", "questions": [ { "text": "Which exercises train extension safely, according to reputable sources?", "kind": "provenance" }, { "text": "Is the user recovering from an injury?", "kind": "boundary" } ] } ] } ] }, { "id": "injury", "name": "Injury", "description": "Hyperextension.", "rationale": "Injuries need care.", "layers": [ { "id": "urgent", "name": "Urgent", "description": "Serious injury.", "findings": [ { "id": "urgent-finding", "name": "Urgent", "description": "Serious injury.", "questions": [ { "text": "Is there severe pain, deformity, numbness or inability to move after a hyperextension injury?", "kind": "boundary" }, { "text": "Should urgent medical care be sought, and should the neck be kept still if a neck injury is possible?", "kind": "action" } ] } ] }, { "id": "personal", "name": "Personal", "description": "Personal questions.", "findings": [ { "id": "personal-finding", "name": "Personal", "description": "Personal advice limits.", "questions": [ { "text": "Is the user asking about their own limited movement?", "kind": "boundary" }, { "text": "How should the agent refer them to a clinician or physiotherapist?", "kind": "action" } ] } ] } ] }, { "id": "senses", "name": "Senses", "description": "Disambiguation.", "rationale": "Extension has many senses.", "layers": [ { "id": "everyday", "name": "Everyday", "description": "Other meanings.", "findings": [ { "id": "everyday-finding", "name": "Everyday", "description": "Everyday senses.", "questions": [ { "text": "Is a deadline extension, building extension or extension cord meant?", "kind": "boundary" }, { "text": "Which entry fits?", "kind": "action" } ] } ] }, { "id": "technical", "name": "Technical", "description": "Computing and logic.", "findings": [ { "id": "technical-finding", "name": "Technical", "description": "Technical senses.", "questions": [ { "text": "Is a file extension, browser extension or the extension of a concept in logic meant?", "kind": "boundary" }, { "text": "Which entry fits?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should each joint movement be a separate entry?", "How should reference ranges be linked?", "How should other senses be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }