✔ 最佳答案
Low back pain, numbness (痳痺)over buttock and thigh especially when rising your leg to 90 degree (for example, when lying flat, try to raise your leg while keeping it straight, normal people can raise the leg to around 70-90 degree from horizontal, those with Sciatica will have numbness over buttock and thigh or sole when raised to an angle less than 70 degree)