I am 41 yrs old and in pretty good health. I just started to have this problem on my right leg. Whenever I kneel on this leg I get this sharp pain in the right side of my right leg and also a sharp pain on the right side of my right foot. When I am not kneeling the right side of my knee is numb. I feel no physical pain when I walk or sit. It is only when I kneel on that leg. My left leg is starting to have pain also. Whenever I stretch out my left leg I get a sharp pain in my big toe. No numbness or pain any other time.
I have had no history of back pain or problems. Please if anyone can help I sure would appreciate it.

Mark