People who exercise regularly, particularly runners, are prone to experience pain in the outer part of the knee. When this occurs, iliotibial band syndrome may be the cause.
Iliotibial (IT) band syndrome is often caused by repetitively bending the knee during physical activities, such as running, cycling, swimming, and climbing.
The IT band is a group of fibers that run the length of the upper leg, from the hip to the top of the shin.
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