{
  "resourceType": "ActivityDefinition",
  "id": "dynamic-gait-with-head-turns",
  "url": "https://bodyiq.dev/fhir/ActivityDefinition/dynamic-gait-with-head-turns",
  "version": "1",
  "name": "DynamicGaitWithHeadTurns",
  "title": "Dynamic Gait with Head Turns",
  "status": "draft",
  "experimental": true,
  "description": "Walk in a straight line while turning the head horizontally on a cadence (every 2–3 steps), then vertically. Progress to walking with head turns in busy visual environments and adding cognitive or motor secondary tasks.",
  "useContext": [
    {
      "code": {
        "system": "http://terminology.hl7.org/CodeSystem/usage-context-type",
        "code": "user"
      },
      "valueCodeableConcept": {
        "text": "difficulty: intermediate"
      }
    }
  ],
  "topic": [
    {
      "coding": [
        {
          "system": "https://bodyiq.dev/fhir/CodeSystem/exercise",
          "code": "dynamic-gait-with-head-turns",
          "display": "Dynamic Gait with Head Turns"
        }
      ]
    }
  ],
  "kind": "ServiceRequest",
  "dosage": [
    {
      "text": "2–3 minutes per direction, 1–2×/day. Progress visual complexity weekly."
    }
  ],
  "usage": "Evidence: strong.",
  "note": [
    {
      "text": "Walk slowly enough to keep balance steady — head turns should not stagger your gait"
    },
    {
      "text": "Try this in a hallway first, busy environments later"
    }
  ]
}