What is Runner’s Knee?
Runner’s knee, or patellofemoral pain syndrome, is the name given to a specific set of conditions that involve overuse or injury of the muscles in the kneecap and thigh. Running places immense stress on the tendons, bone, and muscle in the knees and thighs, giving rise to the condition called runner’s knee. While running, the thighs and hamstrings pull on the tendons that connect them to the kneecaps. If the muscles are too tight, this can overwork the knee. Without proper training and rest, this causes runner’s knee. This is very similar to what happens in Iliotibial Band Friction Syndrome, a condition in which the IT band that extends from the hip constantly rubs against the thigh and puts stress on the knee.