Achilles Tendon is one of the vital parts to enhance movement from one place to another. However, it is susceptible to injury. When this happens, a thorough physical examination is needed for diagnosis. The conditions after Achilles Tendon, include â Tendonitis, Peritendonitis, Tendinosis, Retrocalcaneobursitis, Tendon Rupture, and so on.Â  The degree of this heel pain varies, i.e., from mild to severe.