Why Are My Shins Bruised from Running?

Bruised shins when running can be due to impact stress.
Image Credit: Todor Tsvetkov/E+/GettyImages

Whether you're a novice runner or a seasoned veteran, bruises on the shins from running can rear their ugly head from time to time, interfering with your training and competition schedules.


However, shin pain caused by running is not inevitable. Learning to identify the possible causes can set you on the path to recovery and improved performance.

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Shin bruising could be from a condition called compartment syndrome. It's caused by impact stress to the tibia when running.

Shin Pain and Bruising

Impact stress from running normally affects the tibia, the large bone at the front of the shin that absorbs repetitive motion forces as your foot strikes the ground. Muscle fatigue leads to greater force applied to the fascia, the tissue that fuses the tibialis muscle to the bone, causing pain and inflammation within it, and eventually leading to bone stress and even stress fractures.

Visible bruising is indicative of bleeding and inflammation, a condition the American Academy of Orthopedic Surgeons calls chronic compartment syndrome. Shin pain can be treated and avoided with corrections in running mechanics and the use of proper protective footwear.

Read more: 6 Simple Shin Splint Stretches and Exercises

Foot Strike and Running Mechanics

The way your foot strikes the ground and then pushes off can influence the amount of stress placed on the shin during running. If you strike with your heel and roll through, you may be over-striding, leading to the poor distribution of body weight during impact.


If you strike with the toe or ball of your foot, you absorb less impact with your calf and Achilles tendon, shifting the brunt of impact to your shin, which could lead to shin splints and visible bruising. Striking with the mid-foot shifts shock absorption to the large muscles of the calf and away from the shin. Foot strike is typically a habit that can be corrected with training and a gait analysis.

Foot Type and Running Mechanics

Your foot type can influence how shock is distributed when you land. Individuals with high, inflexible arches tend to experience more impact stress on the tibia, while individuals with flat feet tend to experience greater muscle fatigue when pushing off, gradually leading to stress on the fascia.



Both extremes can predispose you to pain and bruises on the shins from running. To determine your foot type, do the "wet test." Stand on a wet towel, then step onto a colored piece of paper. Examine the imprint of your foot. If it is broad and triangular, you have a flat foot; if the imprint is slightly curved on the inside, you have a normal or neutral foot; and if your imprint is C-shaped, you have a high arch.

Running Shoe Selection

It's important to find the right shoe for your foot type and running style. Individuals with high arches, men weighing over 200 pounds and women weighing over 150 pounds may require a stability shoe with a rigid midsole that provides good arch support.


Flat-footed individuals whose feet tend to roll inward, or pronate when running, will do better with a motion control shoe, says Oregon Health and Science University. While highly cushioned shoes offer more shock absorption, they are generally less supportive of high arches and flat feet. You may want to consider specially made orthoses that give relief and/or support for conditions like high arches and flat feet, suggests the American Orthopaedic Foot and Ankle Society.

Read more: How to Find the Best Running Shoes for You




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