[速览]（2）

病人：我腰痛得很厉害以致都不能活动了。病人：我自高处拿东西时，突然觉着腰痛。当我抬起一个重箱子时,我觉着一阵腰痛。不,我咳嗽时疼痛就往腿上串。Patient：It ’ s better after resting，but when I try to walk again it hurts so much that I have to stop ．.Let me know ． Please raise your left leg with the knee straight ． Pleaselie on y ......