@the.anatomy.hub2: Why the Outside of Your Knee Hurts When Running | IT Band Anatomy in 3D Why does pain sometimes appear on the outside of the knee during running? This 3D anatomy video explains how the iliotibial band, lateral femoral epicondyle, femur, tibia, and surrounding tissues interact during repeated knee flexion and extension. You’ll see how repeated running motion can increase compression around the outer knee and make the area more irritated and sensitive over time. For educational purposes only. #ITBand #KneePain #RunningInjury #SportsAnatomy #Anatomy