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 ...

The extensor carpi radialis longus (ECRL) is a muscle in your forearm that works in conjunction with the other muscles and tendons in your arm to help move your wrist and hand. It is in the same ...

Rest, ice, compression, and elevation help treat tendonitis at home. Overuse, like typing or running, often causes extensor tendonitis. Pain from tendonitis gets worse if you use the affected muscles ...