A tendon is a type of body tissue that connects muscle to bone. If a tendon becomes inflamed — painful and swollen — the condition is called tendonitis. In your hands, there are so-called extensor ...

Extensor tendons are found just under the skin of the hand or the top of the feet. Extensor tendonitis is an inflammation of these tendons, and many factors can cause it. Tendons are bands of tissue ...