hello im new to the forum by the way is so helpful i am terrified by thinking i might refracture my knee cap . i am 7 weeks from a patella surgery i shattered my patella my os fixed it using fiber wire suture by what i know. now the problem is i started rom heel slides and leg raises leg raises were painful i felt a slight pop since then im terrified im at 45°rom no pain bt i do feel weird sensations slight locking & poping please if any one could help me get the refracture out of my head by telling me what refracture symptoms are please