Obturator internus spasm as a cause of pelvic and sciatic distress.
D001416:Back Pain / Q000209:etiology*; D004194:Disease; D006801:Humans; D018482:Muscle, Skeletal; D010388:Pelvis; D012584:Sciatic Nerve; D013035:Spasm; D013848:Thigh
BACKACHE/etiology and pathogenesis; NERVES, SCIATIC/diseases