Trendelenburg sign[tren′dĕ-lĕn-bĕrg]


1. a physical examination finding associated with various hip abnormalities (those associated with abduction muscle weakness or hip pain congenital dislocation, hip rheumatic arthritis, osteoarthritis) in which the pelvis sags on the side opposite the affected side during single leg stance on the affected side; during gait, compensation occurs by leaning the torso toward the involved side during stance phase on the affected extremity.

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