Dear Sir I had a pain in left knee,while walking (at rest no pain )also if i press upper portion of leg pain is felt and it is not contineous ,while at sleep if i rotate or change leg direction it is felt,i have visited orthopedic surgen he has presribed b12 injections and tablets which i have completed but still there is no improvment.Is my problem related to orthopedic or nuro?whome do i need to consult are there some tests for firm diagnosis?from yesterday i am feeling pain in uppper portion of leg as well bellow knee after pressing or puting leg over leg,can you guide me?