{
  "resourceType": "ActivityDefinition",
  "id": "finger-adduction-card-squeeze",
  "url": "https://bodyiq.dev/fhir/ActivityDefinition/finger-adduction-card-squeeze",
  "version": "1",
  "name": "FingerAdductionCardSqueeze",
  "title": "Finger Adduction (Card Squeeze)",
  "status": "draft",
  "experimental": true,
  "description": "Squeeze a card, coin, or thin object between adjacent fingers to load the palmar interossei.",
  "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": "finger-adduction-card-squeeze",
          "display": "Finger Adduction (Card Squeeze)"
        }
      ]
    }
  ],
  "bodySite": [
    {
      "coding": [
        {
          "system": "https://bodyiq.dev/fhir/CodeSystem/exercise",
          "code": "hand",
          "display": "Hand"
        },
        {
          "system": "http://snomed.info/sct",
          "code": "56103003",
          "display": "Structure of collateral ligaments of metacarpophalangeal joints"
        }
      ],
      "text": "Hand"
    }
  ],
  "kind": "ServiceRequest",
  "dosage": [
    {
      "text": "10 reps per finger pair, daily (no published evidence; extrapolated)."
    }
  ],
  "usage": "Evidence: expert-opinion. No published EMG for palmar interossei isolation.",
  "note": [
    {
      "text": "Long, straight fingers — palmar interossei hold the gap closed",
      "authorString": "focus:internal"
    },
    {
      "text": "Pinch the card so it can't be tugged out",
      "authorString": "focus:external"
    },
    {
      "text": "Hold the pressure for five seconds, then release",
      "authorString": "focus:external"
    },
    {
      "text": "Free hand tugs gently on the card to test the grip",
      "authorString": "focus:tactile"
    }
  ],
  "extension": [
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Palmar Interossei"
        },
        {
          "url": "role",
          "valueCode": "primary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "85212008"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Dorsal Interossei (Hand)"
        },
        {
          "url": "role",
          "valueCode": "stabilizer"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "60618007"
          }
        }
      ]
    }
  ]
}