Why do tendon injuries take so long to heal?

If you have ever suffered from a tendon injury, you will know that the recovery can be frustratingly long.

Tendons are important tissues of the body, connecting muscles to bones and come in many different shapes and sizes. There are many reasons why tendon injuries can be difficult to treat, as we explain below. 

Tendon injuries often develop gradually

Tendons need to be able to transmit forces from muscles to the bones that they attach, however they respond to changes in strength more slowly than muscles do. As muscles become stronger or take on more load, the tendons can fail to keep up with this increased demand becoming painful and damaged. This process can take a while to occur and often changes to tendon tissue has begun long before the pain is noticed. This means that there are likely to be multiple factors to be assessed, including biomechanics and training regimes before the problem can be resolved. 

Tendons have limited blood supply

Tendons do have their own blood supply, however, it is not abundant as muscles and this can be a factor with healing as all tissues require nutrients for health and to heal. Any condition that compromises circulation, such as diabetes, can predispose tendons to injury and delayed healing.

Rest and stretching may not necessarily help

Our instincts in response to tendon pain may not help with recovery. In some cases, stretching can aggravate symptoms and while rest may reduce symptoms, it will not necessarily help with recovery. The best evidence for promoting healthy tendon growth is through addressing poor biomechanics and a tailored strength and loading program. 

Recovery often relies on adherence to a specific rehab program

One of the biggest barriers to healing tendon pain is that exercises can be easy to do in theory, but hard to do in practice. They can take time and discipline. Your physiotherapist can also help you to find strategies to fit your exercises into your daily routine if you are finding this difficult.

Interested in more information about tendon pain? Get in touch to speak with our physio team 🙋‍♂️🙋‍♀️

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