{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-10-21T20:16:01Z",
    "providers": [
      "Claude"
    ],
    "breadth": "researched by Claude against the sources listed below",
    "pass": 2,
    "wave": 5,
    "engine": "claude",
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-21T20:17:08+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "7 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q168002",
    "registryId": "vr.tr.ankle",
    "name": "ankle",
    "version": "0.2.0-wave.5",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.LIV"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q168002/",
  "model": {
    "registry_id": "vr.tr.ankle",
    "name": "ankle",
    "purpose": "Let an agent describe the ankle's anatomy and common conditions, point to clinical guidance, and route injuries to clinicians without diagnosing.",
    "definition": "The region where the foot and the leg meet, including the ankle joint (talocrural joint) between the tibia, fibula and talus and the surrounding ligaments and tendons; it allows the foot to flex up and down.",
    "what_it_is_for": "Supporting body weight and allowing walking, running and balance.",
    "affordances": [
      "describe bones, joints and ligaments",
      "describe common injuries such as sprains and fractures",
      "explain clinical decision rules in general terms",
      "point to clinical guidance"
    ],
    "distinguishing_features": [
      "The talocrural joint (articulatio talocruralis) is a synovial hinge joint for dorsiflexion and plantarflexion; inversion and eversion mainly occur at the subtalar joint.",
      "Stabilised by the lateral ligament complex, the medial deltoid ligament and the distal tibiofibular syndesmosis; lateral sprains are the most common injuries.",
      "Crossed by the Achilles, tibialis anterior, tibialis posterior and fibular tendons."
    ],
    "appearance": "The narrow region above the foot with bony bumps on each side (malleoli).",
    "visual_identification": [
      "Medial and lateral malleoli on either side"
    ],
    "physical_properties": [
      {
        "quantity": "dorsiflexion",
        "typical_range": "about 10-20",
        "unit": "degrees",
        "note": "reference range; depends on method, knee position and weight bearing"
      },
      {
        "quantity": "plantarflexion",
        "typical_range": "about 40-55",
        "unit": "degrees",
        "note": "reference range"
      }
    ],
    "families_and_kinds": [
      "left ankle",
      "right ankle"
    ],
    "related_models": [
      {
        "relation": "is part of",
        "target": "lower limb",
        "why": "anatomy"
      },
      {
        "relation": "contains",
        "target": "talocrural joint",
        "why": "joint"
      },
      {
        "relation": "is related to",
        "target": "foot",
        "why": "adjacent region"
      },
      {
        "relation": "is affected by",
        "target": "ankle sprain",
        "why": "injury"
      }
    ],
    "identifiers": [
      {
        "scheme": "TA2",
        "value_or_pattern": "165",
        "note": "Talus (ankle region)"
      }
    ],
    "standards_and_regulation": [
      "Terminologia Anatomica (FIPAT)",
      "Ottawa ankle rules, a clinical decision rule for imaging"
    ],
    "failure_modes_and_hazards": [
      "Sprains and fractures",
      "Chronic instability",
      "Arthritis"
    ],
    "agent_conduct": {
      "may": [
        "describe anatomy and general information"
      ],
      "must_not": [
        "diagnose an injury",
        "advise against seeking care"
      ],
      "requires_human": [
        "assessment of injuries by clinicians"
      ]
    },
    "ethics": {
      "considerations": [
        "safety of health information"
      ],
      "affected_parties": [
        "patients"
      ]
    },
    "owners": {
      "steward": "nobody; a body region",
      "master_systems": [
        "anatomy ontologies"
      ]
    },
    "facets_not_applicable": {},
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [
    {
      "id": "SRC-001",
      "title": "Q168002",
      "publisher": "Wikidata",
      "url": "https://www.wikidata.org/wiki/Q168002",
      "what_it_supports": "identity of the registry item, labels and sitelinks",
      "url_status": "live"
    },
    {
      "id": "SRC-002",
      "title": "Ankle",
      "publisher": "Wikipedia",
      "url": "https://en.wikipedia.org/wiki/Ankle",
      "what_it_supports": "general description of the subject",
      "url_status": "live"
    },
    {
      "id": "SRC-003",
      "title": "Biomechanics of the ankle",
      "publisher": "EFORT Open Reviews; archived by PubMed Central",
      "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC4994968/",
      "what_it_supports": "Anatomy, load-bearing function, coupled joint movement, dorsiflexion of 10-20 degrees and plantarflexion of 40-55 degrees.",
      "url_status": "live"
    },
    {
      "id": "SRC-004",
      "title": "Terminologia Anatomica, Second Edition, Part 1",
      "publisher": "FIPAT, International Federation of Associations of Anatomists",
      "url": "https://cdn.dal.ca/content/dam/dalhousie/pdf/library/FIPAT/TA2/FIPAT-TA2-Part-1.pdf",
      "what_it_supports": "TA2 identifier 165 for Ankle and the terminology's issuing body.",
      "url_status": "live"
    },
    {
      "id": "SRC-005",
      "title": "Acute Ankle Sprain",
      "publisher": "StatPearls; hosted by NCBI Bookshelf",
      "url": "https://ncbi.nlm.nih.gov/books/NBK459212/",
      "what_it_supports": "Lateral sprain frequency, stabilising ligaments, regional anatomy and chronic instability.",
      "url_status": "live"
    },
    {
      "id": "SRC-006",
      "title": "Anatomy of the ankle ligaments: a pictorial essay",
      "publisher": "Insights into Imaging; archived by PubMed Central",
      "url": "https://pmc.ncbi.nlm.nih.gov/articles/2855022/",
      "what_it_supports": "Lateral, medial and syndesmotic ligament anatomy.",
      "url_status": "live"
    },
    {
      "id": "SRC-007",
      "title": "Dr Ian Stiell Group",
      "publisher": "Ottawa Hospital Research Institute",
      "url": "https://ohri.ca/en/find-researcher/istiell",
      "what_it_supports": "Ottawa Ankle Rules as clinical decision rules concerning radiography after ankle or midfoot injury.",
      "url_status": "live"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "anatomy",
        "name": "Anatomy",
        "description": "Structure.",
        "rationale": "Anatomy anchors everything else.",
        "layers": [
          {
            "id": "bones-and-joints",
            "name": "Bones and joints",
            "description": "Tibia, fibula, talus.",
            "findings": [
              {
                "id": "joint",
                "name": "Joint",
                "description": "Bones and joint type.",
                "questions": [
                  {
                    "text": "Which bones form the joint?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which movements does it allow?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "soft-tissues",
            "name": "Soft tissues",
            "description": "Ligaments and tendons.",
            "findings": [
              {
                "id": "ligament",
                "name": "Ligament",
                "description": "Name and role.",
                "questions": [
                  {
                    "text": "Which ligaments stabilise the ankle?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which tendons cross it?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "function",
        "name": "Function",
        "description": "Movement and load.",
        "rationale": "Function guides assessment.",
        "layers": [
          {
            "id": "range-of-motion",
            "name": "Range of motion",
            "description": "Dorsiflexion and plantarflexion.",
            "findings": [
              {
                "id": "range",
                "name": "Range",
                "description": "Degrees.",
                "questions": [
                  {
                    "text": "What is the range of motion?",
                    "kind": "measurement"
                  },
                  {
                    "text": "How was it measured?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "load",
            "name": "Load",
            "description": "Weight bearing.",
            "findings": [
              {
                "id": "load",
                "name": "Load",
                "description": "Forces in gait.",
                "questions": [
                  {
                    "text": "What loads act in walking or running?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which source?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "conditions",
        "name": "Conditions",
        "description": "Injuries and disease.",
        "rationale": "Clinicians diagnose.",
        "layers": [
          {
            "id": "injuries",
            "name": "Injuries",
            "description": "Sprains and fractures.",
            "findings": [
              {
                "id": "injury",
                "name": "Injury",
                "description": "Type and grade.",
                "questions": [
                  {
                    "text": "Which injury is described, by which clinician?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which classification applies?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "chronic-conditions",
            "name": "Chronic conditions",
            "description": "Instability and arthritis.",
            "findings": [
              {
                "id": "condition",
                "name": "Condition",
                "description": "Diagnosis and course.",
                "questions": [
                  {
                    "text": "Which chronic condition is present?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which guideline applies?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "care",
        "name": "Care",
        "description": "Assessment and treatment.",
        "rationale": "Guidance must be cited.",
        "layers": [
          {
            "id": "assessment",
            "name": "Assessment",
            "description": "Decision rules and imaging.",
            "findings": [
              {
                "id": "assessment",
                "name": "Assessment",
                "description": "Rule and finding.",
                "questions": [
                  {
                    "text": "Which decision rule was applied?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Was imaging indicated?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "rehabilitation",
            "name": "Rehabilitation",
            "description": "Recovery.",
            "findings": [
              {
                "id": "rehabilitation",
                "name": "Rehabilitation",
                "description": "Programme and timing.",
                "questions": [
                  {
                    "text": "Which rehabilitation programme is recommended, by whom?",
                    "kind": "provenance"
                  },
                  {
                    "text": "When can activity resume?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}