{
  "url": "https://dantelabs.com/traits/stiff-neck",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "stiff-neck",
    "id": "HP:0025258",
    "name": "Stiff neck",
    "definition": "A sensation of tightness in the neck when attempting to move it, especially after a period of inactivity. Neck stiffness often involves soreness and difficulty moving the neck, especially when trying to turn the head to the side.",
    "synonyms": [
      "Neck stiffness"
    ],
    "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-stiffness",
        "name": "Joint stiffness",
        "url": "https://dantelabs.com/traits/joint-stiffness"
      },
      {
        "slug": "limitation-of-neck-motion",
        "name": "Limitation of neck motion",
        "url": "https://dantelabs.com/traits/limitation-of-neck-motion"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "ndufs3",
        "symbol": "NDUFS3",
        "hgnc": "HGNC:7710",
        "name": "NADH:ubiquinone oxidoreductase core subunit S3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ndufs3"
      },
      {
        "slug": "lmna",
        "symbol": "LMNA",
        "hgnc": "HGNC:6636",
        "name": "lamin A/C",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lmna"
      },
      {
        "slug": "col2a1",
        "symbol": "COL2A1",
        "hgnc": "HGNC:2200",
        "name": "collagen type II alpha 1 chain",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col2a1"
      },
      {
        "slug": "dkk1",
        "symbol": "DKK1",
        "hgnc": "HGNC:2891",
        "name": "dickkopf Wnt signaling pathway inhibitor 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/dkk1"
      },
      {
        "slug": "nde1",
        "symbol": "NDE1",
        "hgnc": "HGNC:17619",
        "name": "nudE neurodevelopment protein 1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nde1"
      },
      {
        "slug": "nek9",
        "symbol": "NEK9",
        "hgnc": "HGNC:18591",
        "name": "NIMA related kinase 9",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nek9"
      }
    ]
  }
}