| Gaenslen, Frederick | <person> U.S. Surgeon, 1877-1937. See: Gaenslen's sign. (05 Mar 2000) |
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| Gaenslen's sign | <clinical sign> Pain on hyperextension of the hip with pelvis fixed by flexion of opposite hip; causes a torsion stress at the sacroiliac and lumbosacral joints. (05 Mar 2000) |