What is a common extensor tendon?

General extensor tendon is a soft tissue of the human forearm. Its name will remain from the fact that it is a shared tendon, with four rear forearm muscles resulting from its distal or lower end near the elbow. Similarly, it is called, because it is a common tendon of muscles that extends the wrist joint, which means that it acts to bend the dorsal or back of the hand back towards the back of the forearm. The common extensor tendon can normally become inflamed from repeated stress as a result of an activity called a tennis elbow.

At the lower end of the humerus, the bone of the upper arm, is a pair of rounded forgivenings known as medial and lateral epicondyl. It is a common extension tendon on the external aspect of the bone on the arm, is a common epicondyle. Like any tendon, it consists of densely packed collagen and elastin fibers that give it a white look for the rope. Narrow at the top where he joins to lateral epicondyle, expands how descentIt is divided into four separate bundles of fibers.

Each of these fibrous divisions combines to the proximal or upper end of one of the four muscles of the forearm extensor: Extensor Carpi Radialis Brevis, Extensor Carpi Ulnaris, Extensor Digitorum and Extensor Digitili mini. The farthest of these is the extensor carpi radialis brevis, which runs on the inch side of the back forearm, passes the wrist and connects to the proximal end of the third metacarpal, the long bone of the palm under the middle finger. In addition, extensor digitorum, a larger muscle that runs down the center of the rear forearm and attaches to all four fingers. Expands or straightens his hand and fingers and wrists.

Together with extensor digitorum is a thin muscle as well as extensor digiti mini. Closer to the Ulnar or Pinky-to-face side of the arm inserts along the base of a small finger and stretches only this finger. Muscle of ordinary extensor tendons, ktEr is closest to this side of the arm, is Extensor Carpi Ulnaris, which connects to the proximal end of the fifth metacarpal or palm bone under the pinks. In addition to the wrist extension, it adds a hand to the wrist, which means that it bends it sideways in the direction of the pinky as when waving. Similarly, Extensor Carpi Radialis Brevis can carry a hand or bend to the side of the thumb.

6 An example of this movement is a tennis player who performs backhand. Performing this movement often and repeatedly can lead to a state known as tennis elbow or lateral epicondylitis. This is characterized by inflammation of the conventional extensor tendon, where it connects to the humerus, often due to small tears in the tendons that are not given enough time to heal, and is felt as a pain that can radiate all the way to the back of the hand. In more serious cases, the tendon may suffer from partial tears of bone. Most cases of tennis elbow are treated non -surgically with rest, icing and anti -inflammatory drugs.