i am a 46 year old female, had my first child four years ago,so even with my physical injuries i try to play with him alot.my right knee is bad. no cartalidge in it but today it has started hurting behind my knee and now my entire right leg hurts,i have degenerative disc disease in my lower back , three ruptured disc in upper to middle of back, im 5'4 and weigh 200 lbs. i was i40 until i got pregnant, son was delivered by c-section on 04/06/07 and i had complete hysterectomy on 06/28/07.i put on alot of weight after hysterectomy,i was a bit depressed because i kicked out my sons father(he was verbally abusive) but i felt very sad because he has two children i had raised for eight years, happy to get rid of him, wasnt going to ruin my sons life, april 22nd was my one year anniversary of beating breat cancer, back to knee, i did play paddle ball on beach but that was four days ago, could it be hurting from that now, you dont have to tell me to lose weight, im working on it,thanks