Correla？？o do sinal de Lasègue e manobra da eleva？？o da perna, retificada com os achados cirúrgicos em pacientes com ciatalgia portadores de hérnia discal lombar

objective: to investigate the correlation between maneuversfor stretching the sciatic nerve, as the lasègue sign (ls) and the straight-leg-raising test (slrt), with surgical findings in patients with sciatica. methods: 178 patients with herniated lumbar disc were previously examined by the author through ls and slrt. surgical findings were recorded and compared with findings on clinical examination. results: of the patients studied, 162 (91%) had positive ls while 118 (66.2%) were positive to slrt. conclusion: the ls was the most sensitive preoperative physical diagnostic test with respect to intraoperative pathology of lumbar disc herniation.