Orthopedics Book

Cardiovascular Medicine


Joint dislocation


Functional Leg Length Discrepancy

Aka: Functional Leg Length Discrepancy, Functional Limb Length Discrepancy, Apparent Leg Length Discrepancy
  1. See Also
    1. Functional Leg Length Discrepancy
  2. Causes: Biomechanical
    1. Pelvic tilt or rotation
    2. Hip Joint abnormality
    3. Sacroiliac joint abnormality
  3. Signs
    1. See Leg Length Discrepancy to test for true inequality
    2. Supine to sitting leg length measurement
      1. Patient lies supine with legs in neutral position
      2. Compare leg lengths for equality
      3. Patient bends at torso to sit with legs extended
      4. Positive test: Inequality of leg lengths on sitting
    3. Fixed to non-fixed measurement
      1. Patient lies supine with legs in neutral position
      2. Measure both legs from Umbilicus to medial malleolus
      3. Unequal measurement suggests functional shortening
  4. References
    1. Hoppenfeld (1976) Spine and Extremities, p. 166

Apparent shortening of leg (C0426902)

Concepts Finding (T033)
SnomedCT 249787003
English Apparent shortening of leg, Functional shortening of leg, Apparent shortening of leg (finding)
Spanish acortamiento aparente de pierna (hallazgo), acortamiento aparente de pierna
Derived from the NIH UMLS (Unified Medical Language System)

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