II. Exam: Normal Hip Range of Motion

  1. Patient supine
    1. Hip flexion: 110 to 120 degrees
    2. Hip abduction: 30 to 50 degrees
    3. Hip adduction: 20-30 degrees
  2. Patient in lateral decubitus position
    1. Hip extension: 10 to 15 degrees
  3. Patient sitting or supine with hip flexed to 90 degrees and knee flexed to 90 degrees
    1. Hip external rotation (lateral): 40 to 60 degrees
    2. Hip internal rotation (medial): 30 to 40 degrees
  4. Images
    1. OrthoHipRomExt.jpg
    2. OrthoHipROMABduct.jpg
    3. OrthoHipRomADduct.jpg
    4. OrthoHipRomIntRotAndExtRot.jpg

III. Interpretation

  1. Pain on hip passive range of motion
    1. Septic Arthritis
    2. Transient Synovitis
  2. Limited Hip Range of Motion
    1. Loose Hip Joint bodies
    2. Hip chondral lesion
    3. Osteoarthritis
    4. Legg-Calve-Perthes Disease
    5. Hip Avascular Necrosis (osteonecrosis)

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