{
  "url": "https://dantelabs.com/traits/neck-joint-contracture",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "neck-joint-contracture",
    "id": "HP:0005997",
    "name": "Restricted neck mobility due to contractures",
    "label": "Neck joint contracture",
    "synonyms": [
      "Restricted neck movement due to contractures"
    ],
    "systems": [
      {
        "slug": "abnormality-of-head-or-neck",
        "name": "Abnormality of head or neck",
        "url": "https://dantelabs.com/traits/abnormality-of-head-or-neck"
      },
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "joint-contracture",
        "name": "Joint contracture",
        "url": "https://dantelabs.com/traits/joint-contracture"
      },
      {
        "slug": "limitation-of-neck-motion",
        "name": "Limitation of neck motion",
        "url": "https://dantelabs.com/traits/limitation-of-neck-motion"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "myh3",
        "symbol": "MYH3",
        "hgnc": "HGNC:7573",
        "name": "myosin heavy chain 3",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/myh3"
      },
      {
        "slug": "erlin2",
        "symbol": "ERLIN2",
        "hgnc": "HGNC:1356",
        "name": "ER lipid raft associated 2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/erlin2"
      },
      {
        "slug": "col6a2",
        "symbol": "COL6A2",
        "hgnc": "HGNC:2212",
        "name": "collagen type VI alpha 2 chain",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col6a2"
      },
      {
        "slug": "lmna",
        "symbol": "LMNA",
        "hgnc": "HGNC:6636",
        "name": "lamin A/C",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lmna"
      }
    ]
  }
}