{
  "resourceType": "ActivityDefinition",
  "id": "isolated-small-finger-abduction",
  "url": "https://bodyiq.dev/fhir/ActivityDefinition/isolated-small-finger-abduction",
  "version": "1",
  "name": "IsolatedSmallFingerAbduction",
  "title": "Isolated Small-Finger Abduction",
  "status": "draft",
  "experimental": true,
  "description": "Abduct the small finger away from the ring finger against a rubber band or manual resistance. Targets ADM.",
  "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": "isolated-small-finger-abduction",
          "display": "Isolated Small-Finger Abduction"
        }
      ]
    }
  ],
  "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": "10–15 reps × 3×/week (extrapolated; no dosing in EMG study)."
    }
  ],
  "usage": "Evidence: limited. Increased ADM activation with rubber-band resistance [Boudreau 2022].",
  "note": [
    {
      "text": "Long, straight pinky — abductor digiti minimi opens it sideways",
      "authorString": "focus:internal"
    },
    {
      "text": "Reach the pinky toward the outside wall",
      "authorString": "focus:external"
    },
    {
      "text": "Hold the abducted position for three seconds",
      "authorString": "focus:external"
    },
    {
      "text": "Free hand on hypothenar eminence to confirm activation",
      "authorString": "focus:tactile"
    }
  ],
  "extension": [
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Abductor Digiti Minimi"
        },
        {
          "url": "role",
          "valueCode": "primary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "10245000"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Dorsal Interossei (Hand)"
        },
        {
          "url": "role",
          "valueCode": "secondary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "60618007"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Extensor Digitorum"
        },
        {
          "url": "role",
          "valueCode": "stabilizer"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "50176000"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Palmar Interossei"
        },
        {
          "url": "role",
          "valueCode": "lengthening"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "85212008"
          }
        }
      ]
    }
  ]
}