The prevalence of<unk>  varies among different ages and groups of people.<unk>  is most commonly found in individuals aged 30–40 Runners are susceptible, as well as anyone participating in sports, and men aged 30–39. Risk factors include participating in a sport or activity that involves running, jumping, bounding, and change of speed. Although<unk>  is mostly likely to occur in runners, it also is more likely in participants in basketball, volleyball, dancing, gymnastics and other athletic activities. Other risk factors include gender, age, improper stretching, and overuse. Another risk factor is any congenital condition in which an individual's legs rotate abnormally, which in turn causes the lower extremities to overstretch and contract; this puts stress on the Achilles tendon and will eventually cause<unk> .
Achilles tendinitis
Achilles tendon rupture
Tarsal tunnel syndrome
Median rhomboid glossitis
Ulnar tunnel syndrome
Trapeziometacarpal osteoarthritis
Anterior interosseous syndrome
Tenosynovitis