{
  "resourceType": "ActivityDefinition",
  "id": "alternate-nostril-breathing",
  "url": "https://bodyiq.dev/fhir/ActivityDefinition/alternate-nostril-breathing",
  "version": "1",
  "name": "AlternateNostrilBreathing",
  "title": "Alternate-Nostril Breathing (Nadi Shodhana)",
  "status": "draft",
  "experimental": true,
  "description": "Close right nostril with right thumb; inhale through left. Close left nostril with ring finger; exhale through right. Inhale through right. Close right; exhale through left. One full cycle.",
  "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": "alternate-nostril-breathing",
          "display": "Alternate-Nostril Breathing (Nadi Shodhana)"
        }
      ]
    }
  ],
  "kind": "ServiceRequest",
  "dosage": [
    {
      "text": "5–10 minutes, 1×/day."
    }
  ],
  "usage": "Evidence: moderate.",
  "note": [
    {
      "text": "Breath should be silent and slow, not forced"
    },
    {
      "text": "If congested, drop the nostril seal and breathe slowly through both nostrils"
    }
  ],
  "extension": [
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Diaphragm"
        },
        {
          "url": "role",
          "valueCode": "primary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "5798000"
          }
        }
      ]
    }
  ]
}