The patella serves as the fulcrum for knee extension via the quadriceps mechanism and provides a surface over which the extensor mechanism glides during knee range of motion. It is also guided through ...

The extensor carpi radialis brevis muscle aids in moving the hand. Specifically, it abducts and extends the hand at the wrist joint. The muscle works in concert with the extensor carpi radialis longus ...

The extensor digitorum longus muscle is located at the front of the leg and is adjacent to the peroneus brevis muscle and the tibialis anterior muscle. This wing-shaped muscle works to extend the foot ...

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 ...

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 ...