{
  "resourceType": "ActivityDefinition",
  "id": "standing-march-in-place",
  "url": "https://bodyiq.dev/fhir/ActivityDefinition/standing-march-in-place",
  "version": "1",
  "name": "StandingMarchInPlace",
  "title": "Standing March in Place",
  "status": "draft",
  "experimental": true,
  "description": "Stand tall, alternately lift one knee toward hip height then the other. Maintain steady cadence and arm swing. Gradual HR step-down or warm-up.",
  "useContext": [
    {
      "code": {
        "system": "http://terminology.hl7.org/CodeSystem/usage-context-type",
        "code": "user"
      },
      "valueCodeableConcept": {
        "text": "difficulty: beginner"
      }
    }
  ],
  "topic": [
    {
      "coding": [
        {
          "system": "https://bodyiq.dev/fhir/CodeSystem/exercise",
          "code": "standing-march-in-place",
          "display": "Standing March in Place"
        }
      ]
    }
  ],
  "bodySite": [
    {
      "coding": [
        {
          "system": "https://bodyiq.dev/fhir/CodeSystem/exercise",
          "code": "hip",
          "display": "Hip"
        },
        {
          "system": "http://snomed.info/sct",
          "code": "24136001",
          "display": "Structure of hip joint"
        }
      ],
      "text": "Hip"
    },
    {
      "coding": [
        {
          "system": "https://bodyiq.dev/fhir/CodeSystem/exercise",
          "code": "knee",
          "display": "Knee"
        },
        {
          "system": "http://snomed.info/sct",
          "code": "129159008",
          "display": "Structure of femorotibial joint"
        }
      ],
      "text": "Knee"
    }
  ],
  "kind": "ServiceRequest",
  "dosage": [
    {
      "text": "1 minute, ~60–80 steps/min."
    }
  ],
  "usage": "Evidence: moderate.",
  "note": [
    {
      "text": "Lift the knee, don't kick"
    },
    {
      "text": "Land softly through the ball of the foot"
    }
  ]
}