man guys my knee has been killing me lately and normally it does this off and on ill do my best to explain aight well its a sharp pain right in the front of my knee cap like right almost smack dab in the center of my knee cap and it hurts bad to keep it bent but its fine with my leg is straight, one of my friends ran track and he said that he had almost the exact same thing and they said it was a slight case of tendinitous(however thats spelled) in it so i have no clue what to do i dont think its bad enough to go to a doc ive had worse without seeing a doc and was fine, if it gets worse i will but for now i just wanna see what i can do for it if yall would help and through me some info. on this if u no that would be great thanks