I hav radiating pain from my left back region up to left foot, Pain in intermittent , morning while waking up , my back is stiff , The radiating pain is mild n occurs while driving car only . I hav no problem with walkin jogging. I feel good after some stretching exercises of pyriformis muscle . I go to gym regularly n I hav not started to do weights . I would like to know whether I can do weights exercises, ? Wat kind of weight exercises I should Avoid ? Thank u