Showed up to a soccer game on crutches after knee surgery only to be tempted to play the game. I played while I bled all over the place and was in an insane amount of pain. Game was over so I packed my knee back up and crutched my way back out to my car. The Dr. told me I could do anything with my knee as it was in perfect working order once again, it was just a question of how much pain I could deal with...so I tried it out.