I am 20 years old suffering from back pain for past 3 months and knee pain for past 1 month only on the left side, pasthistory before 2 years I went to gym and due heavy lifting I got the back for the first time but mild in type I consulted a doctor they told me to do physiotherapy exercises' I done those exercises but 2 months discontinued but I have little pain after some days I went to play the aggravated so again started doing exercises but I got to play for my team so I played but only after 3 months. The symptoms aggravated. But that time I got only low back pain. Now I got knee pain also. My mri scan I normal I got pain during walking also my left buttock pains little bit pls advice me the good physiotherapy exercises and diet, sitting, lying posture.