Weakness in the muscles that support the hips may be a common contributor to many overuse injuries in runners, a new research review suggests.

For most runners, overuse injuries occur at or below the knee -- including chronic knee pain, shin splints, Achilles tendonitis and pain in the sole of the foot. The new study, a review of previous research findings published since 1980, found that weakness in the hip muscles may translate into a higher risk of these lower-leg injuries.

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