Wrist tendonitis is the inflammation of a tendon in the wrist. It can occur as a result of an injury or repetitive motion that causes the tendon to rub against other bodily tissues, such as bone.

Tendinosis is where a tendon’s collagen degenerates in response to overuse. Tendonitis, however, is when a tendon becomes inflamed. The umbrella term for these conditions is tendinopathy. Tendinosis ...