Pain with activity: Iliotibial band syndrome (@ knee) can result in lateral (outside) knee pain as the tight it band snaps across the prominent lateral femoral epicondyle above the actual knee joint line. Arthritis will present with crepitance and knee joint swelling and even cracking and popping as the arthritic irregular joint surfaces rub against one another with motion. Xrays, exam, & history will determine cause.
Answered 12/29/2017
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