Age:36, Weight:68, Height:172Cm, Male I have undergone surgery for Lumbar Spondylolysis(L5-S1) in 2010. Post surgery, still I feel tightness behind right leg knee and pain intrudes thorughout the right leg and joint pain as well. Sometimes, shoulder pain is very severe. 1) In this circumstance, Can i play badmitton? When playing, sometime I come across shoulder jerk while doing little stretch and I can t lift heavy thing due to this problem. It is untolerable servere pain. Why that is happening? What kind of treatment you advice? 2)Post Lumbar Spondylolysis(L5-S1) surgery, still I have been thorugh with pain, there is no differnce. Can you please advise what Can i do?