{
  "url": "https://dantelabs.com/traits/forearm-supination-contracture",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "forearm-supination-contracture",
    "id": "HP:0034394",
    "name": "Forearm supination contracture",
    "definition": "A contracture that limits the ability of the forearm to stabilize the hand in pronation (pronation refers to a rotation of the forearm that causes the palm and forearm to face downwards), meaning that the palm is fixed in a upward orientation. Restriction of supination/pronation can occur at the elbow (radial-humeral joint), at the wrist (radial-ulnar joint), and anywhere in between.",
    "synonyms": [
      "Supination contracture of the forearm"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-musculoskeletal-system",
        "name": "Abnormality of the musculoskeletal system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-musculoskeletal-system"
      }
    ],
    "broader": [
      {
        "slug": "upper-limb-joint-contracture",
        "name": "Upper-limb joint contracture",
        "url": "https://dantelabs.com/traits/upper-limb-joint-contracture"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "fhl1",
        "symbol": "FHL1",
        "hgnc": "HGNC:3702",
        "name": "four and a half LIM domains 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/fhl1"
      }
    ]
  }
}