Achilles Tendonitis

Achilles Tendonitis is Latin for 'inflammation of the Achilles Tendon'. The Achilles Tendon is the longest tendon in the body, connecting the calf muscles to the heel bone behind the ankle joint. When the calf muscles contract, they pull on the Achilles Tendon, causing your foot to point down and helping you rise on your toes.Achilles pain occurs just above the back of the heel and often sufferers also experience tightness in the calf muscles. The Achilles Tendon in this area may be noticeably thickened and tender to the touch. Pain is present with walking, especially when pushing off on the toes.

What causes Achilles Tendonitis ?

Persistent strain on the Achilles tendons causes irritation and inflammation. In severe cases this strain may even cause the tendon to rupture! Chronic overuse (particularly in runners) may contribute to changes in the Achilles tendon as well, leading to degeneration and thickening of the tendon. Tight calf muscles also contribute to Achilles Tendonitis (or Tendinopathy). As we age, our tendons can degenerate. Degeneration means that wear and tear occurs in the tendon over time and leading to weakness in the fibres of the tendon.

However, the most common cause of this condition is over-pronation. As the feet roll inwards excessively, the lower leg is forced to rotate internally, putting a shearing force on the calf muscles.

The calf muscles are connected to the Achilles tendon and with the Achilles being the 'weakest link in the chain' the Achilles tendon is being over-stretched, resulting in irritation and inflammation.

Treatment options

Footlogics orthotics help prevent over-pronation. By wearing orthotics the strain on the Achilles will be greatly reduced, giving the tendons a chance to heal. Plus, the orthotic will prevent the situation to worsen, thereby reducing the risk of a tendon rupture.

In addition to orthotic insoles, to help prevent Achilles Tendonitis or Tendinopathy it is also highly recommended to gently stretch your Achilles tendons and calf muscles before taking part in any physical activities, like running or sports. Perform stretching exercises slowly and gently, stretching to the point at which you feel a noticeable pull, but not pain.


Definition: Achilles Tendonitis = inflammation of the achilles tendon

Symptoms: pain and swelling
at the back of heel

Causes: over-use, tight calf muscles, over-pronation

Treatment: stretching exercises and orthotics (to correct

achilles tendonitis
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Achilles Tendonitis stretching exercises:
calf stretch and achilles stretch
achilles stretching