i'm a dancer and I can't extend my knee anymore. I don't know what I did to mess it up. but even laying down i have to force myself to extend it. every time i get it extended it sends sharp pain from the lower part of my knee up to my hip bone. I'm only 20 so the thought of knee replacement scares me half to death. I can't start my career in dance until my knee is back to normal.. i've tried icing it, stretching it, biofreeze you name it i've probably tried it. the only thing to give it a glimmer of relief is the knee brace i have to wear now. the pain is on my right knee, it varies where it hurts but lately it's on the right outside part. sometimes when i'm sitting in the butterfly position the pain is in the same place but it extends to the front of my kneecap. i dont know what to do help!!