{
  "resourceType": "ActivityDefinition",
  "id": "side-lying-hip-adduction",
  "url": "https://bodyiq.dev/fhir/ActivityDefinition/side-lying-hip-adduction",
  "version": "1",
  "name": "SideLyingHipAdduction",
  "title": "Side-Lying Hip Adduction",
  "status": "draft",
  "experimental": true,
  "description": "Lying on one side with the top leg crossed over and supported in front, the bottom leg is lifted toward the ceiling against gravity, isolating the hip adductor group of the bottom leg. The movement is performed slowly through a short arc, with a controlled lower back to the start.",
  "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": "side-lying-hip-adduction",
          "display": "Side-Lying Hip Adduction"
        }
      ]
    }
  ],
  "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"
    }
  ],
  "kind": "ServiceRequest",
  "dosage": [
    {
      "text": "2-3 sets of 10-15 slow, controlled repetitions per side, 3 sessions per week. Progress by adding an ankle weight or slowing the eccentric phase once 3x15 is achieved without inner-thigh fatigue before rep 12. For early groin rehab, keep pain at or below 3/10 during and after."
    }
  ],
  "usage": "Evidence: moderate. Surface EMG comparisons of adductor exercises in athletes report high adductor longus activation for isolated side-lying hip adduction, comparable to or exceeding several functional exercises, though below the Copenhagen adduction. Adductor brevis activity is inferred from shared function and moment arm rather than measured directly, because its depth beneath adductor longus and pectineus makes surface EMG recordings unreliable and fine-wire data for this exercise are scarce.",
  "note": [
    {
      "text": "Stack your hips vertically and keep your bottom leg straight, in line with your trunk — do not let the top hip roll backward."
    },
    {
      "text": "Lead with your inner heel, as if sliding it up along a wall behind you."
    },
    {
      "text": "Feel the squeeze along your inner thigh, not in the front of your hip."
    },
    {
      "text": "Lift for 2 counts, pause briefly at the top, and lower with control for 3 counts without letting the foot rest between reps."
    }
  ],
  "extension": [
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Adductor Longus"
        },
        {
          "url": "role",
          "valueCode": "primary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "85629004"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Adductor Brevis"
        },
        {
          "url": "role",
          "valueCode": "primary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "70770004"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Adductor Magnus"
        },
        {
          "url": "role",
          "valueCode": "primary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "23087007"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Gracilis"
        },
        {
          "url": "role",
          "valueCode": "secondary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "2577006"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Pectineus"
        },
        {
          "url": "role",
          "valueCode": "secondary"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "71875009"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Quadratus Lumborum"
        },
        {
          "url": "role",
          "valueCode": "stabilizer"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "6001004"
          }
        }
      ]
    },
    {
      "url": "https://bodyiq.dev/fhir/StructureDefinition/muscle-involvement",
      "extension": [
        {
          "url": "muscle",
          "valueString": "Internal Oblique"
        },
        {
          "url": "role",
          "valueCode": "stabilizer"
        },
        {
          "url": "coding",
          "valueCoding": {
            "system": "http://snomed.info/sct",
            "code": "1179024003"
          }
        }
      ]
    }
  ]
}