{
  "url": "https://dantelabs.com/traits/knee-extension-contracture",
  "trait": {
    "bundleId": "2026.10.19-9814e911",
    "release": "2026-09-01",
    "slug": "knee-extension-contracture",
    "id": "HP:0034672",
    "name": "Knee extension contracture",
    "definition": "A type of knee joint contracture in which the knee lacks full expected flexion, such that the upper and lower leg cannot be brought together.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-limbs",
        "name": "Abnormality of limbs",
        "url": "https://dantelabs.com/traits/abnormality-of-limbs"
      },
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "knee-contracture",
        "name": "Knee contracture",
        "url": "https://dantelabs.com/traits/knee-contracture"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "thoc2",
        "symbol": "THOC2",
        "hgnc": "HGNC:19073",
        "name": "THO complex subunit 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/thoc2"
      }
    ]
  }
}