{
  "resourceType": "ActivityDefinition",
  "id": "pfm-the-knack",
  "url": "https://bodyiq.dev/fhir/ActivityDefinition/pfm-the-knack",
  "version": "1",
  "name": "PfmTheKnack",
  "title": "The Knack (Pre-Contraction for Functional Continence)",
  "status": "draft",
  "experimental": true,
  "description": "Brisk pelvic floor contraction timed JUST BEFORE and DURING a cough, sneeze, lift, or sudden activity. Trains anticipatory PFM activation so the floor braces against pressure spikes.",
  "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": "pfm-the-knack",
          "display": "The Knack (Pre-Contraction for Functional Continence)"
        }
      ]
    }
  ],
  "kind": "ServiceRequest",
  "dosage": [
    {
      "text": "Practice 3–5×/day with coached cough first; then integrate into every cough/sneeze/lift for life."
    }
  ],
  "usage": "Evidence: strong.",
  "note": [
    {
      "text": "Contract BEFORE the cough/sneeze/lift — anticipation is the whole skill"
    },
    {
      "text": "Practice with intentional coughs first so you can feel the timing"
    }
  ],
  "extension": [
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Transversus Abdominis"
        },
        {
          "url": "role",
          "valueCode": "synergist"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "86493009"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Internal Oblique"
        },
        {
          "url": "role",
          "valueCode": "synergist"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "1179024003"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Diaphragm"
        },
        {
          "url": "role",
          "valueCode": "stabilizer"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "5798000"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Multifidus"
        },
        {
          "url": "role",
          "valueCode": "stabilizer"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "5709001"
          }
        }
      ]
    }
  ]
}