Causes may include an injury or repetitive activities. Groups at risk include people who do manual labor, musicians, and athletes. Less common causes include infection, arthritis, gout, thyroid disease, and diabetes. Despite the injury of the tendon there is poor healing. Quinolone antibiotics are associated with increased risk of tendinitis and tendon rupture. A 2013 review found the incidence of tendon injury among those taking fluoroquinolones to be between 0.08 and 0.2%. Fluoroquinolones most frequently affect large load-bearing tendons in the lower limb, especially the Achilles tendon which ruptures in approximately 30 to 40% of cases. Types * Achilles tendinitis * Calcific tendinitis * Patellar tendinitis (jumper's knee)
Tendinopathy
Compartment syndrome
Myopathy
Shin splints
Lumbar enlargement
Olecranon bursitis
Muscle atrophy
Xiphodynia