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Leg Length Discrepancy

Overview

    • Look For

    • Shoulder drop
    • Abducted arm swing
    • Lateral pelvic tilt
    • Leg circumduction
    • Excessive knee flexion

True Leg Length Discrepancy

    • How to Assess

    • Measure from the anterior superior iliac spine (ASIS) to the medial malleolus
    • Causes of True Leg Length Discrepancy

    • Growth arrest - past fracture, osteomyelitis, osteosarcoma or osteonecrosis
    • Bony dysplasia
    • Blount’s disease (tibia vara)

Apparent Leg Length Discrepancy

    • How to Assess

    • Measure from the umbilicus to the medial malleolus on both sides and compare
    • Interpretation

    • Apparent shortening - flexion contractures of the hip or knee
    • Apparent lengthening - abduction contractures of the hip, equinus deformity of the ankle
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Associated Diseases
BETA

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