Joint Preservation Blog

January 2, 2009

Torn Tendon in Foot

Torn Tendon in Foot. Tendons are the cords that attach muscles to bone. In the foot, there are many tendons broken down into a couple of categories based on how they move the foot. These are tendons that plantar flex (foot pointed down), dorsiflex (toes and foot moving up), pronate and/or invert (bottom of foot points to other foot), and supinate and/or evert (bottom of foot points to the outside). A tear in a foot tendon is usually due to either an injury or overuse. For example, a tear in the tibialis anterior tendon can be due to too much force on the tendon as it tries to keep the foot from slapping on the ground. This type of tear is also usually caused by weakness in the tibialis anterior muscle (front of the shin) from a chronic low back pinched nerve. This muscle helps us control the foot as we walk. As the muscle gets weaker, the tendon gets beaten up trying to keep the foot from slapping while walking. In addition, the extensor hallicus longus (EHL) can get worn out trying to help the weak tibialis anterior muscle. Fixing a torn tendon in the foot can sometimes involve surgery, but newer non-surgical methods are much more promising. The newer treatments for torn tendons involve injecting the patient’s own stem cells into the tendon so that they can repair the damage. This is a full activity or a minimal downtime procedure, unlike surgery.

Achilles Tendon Support Socks

The Achilles tendon can be weakened by injury or being overloaded.  Support socks for the Achilles tendon will add compression around the tendon which may allow it to feel like it has greater support.   In essence, this pressure gives the tendon more structure.  Look for support socks that place pressure on the tendon (the heel cord) without causing pain.  The need for support in the Achilles tendon is usually from a partialtear or chronically frayed tissue in the tendon.  Another way to treat this without surgery or bracing is to use the patients own stem cells to repair the tendon.  These are cells taken from the patient, grown in the lab, and then injected into the tendon so that they can orchestrate a healing response.  With this type of Achilles tendon repair therapy, the need for Achilles tendon support socks can be eliminated.  This type of Achilles tendon treatment is new to the US and holds great promise for making the tendon stronger.

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