Medial tibial stress syndrome (MTSS) is exercise-related pain in the shins. It may be caused by an irritation of the tendons and muscles near the shin bones. MTSS is commonly known as shin splints. This injury is most often seen among runners.

Muscle and Bones of Lower Leg
lower leg compartment
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MTSS is a treatable condition. Contact your doctor if you think you may have MTSS.

The exact cause is unknown. MTSS is called an overuse injury. It most commonly occurs from repetitive motion or stress at the shins. Causes may include: