Extensor Tendons Of Hand Anatomy

The epb tendon is in the forearm and then runs along the radial side of the wrist. J hand surg am 1995.

Tendon Transfer And Grafting For Traumatic Extensor Tendon

Extensor tendon compartments of the wrist are anatomical tunnels on the back of the wrist that contain tendons of muscles that extend as opposed to flex the wrist and the digits fingers and thumb.

Extensor tendons of hand anatomy. This is caused by injury to the extensor tendon at the last finger joint. Understanding of and familiarity with the extensor anatomy of the hand and fingers by the radiologist is crucial for better assessment of pathologic conditions with mr imaging and optimization of this mo dality as a diagnostic tool. This tendon also travels in the first compartment of the band that holds the tendons in position at the wrist.

The extensor pollicis brevis tendon along with the apl also takes the thumb away from the hand. Figure 1 extensor tendons located on the back of the hand and fingers allow you to straighten your fingers and thumb figure 2 the mallet finger deformity causes a droop of the fingertip. The extensor tendon system of the wrist hand and fingers is more complex than the flexor tendon system.

202734 google scholar 30. Extensor tendons are thin tendons located on the back of the hand just under the skin. These particular tendons allow you to straighten your fingers and thumb and can be injured by a simple cut or jammed finger.

The 6 extensor compartments of the wrist and intrinsic muscles of the hand comprise 23 musculotendinous units. Each tunnel is lined internally by a synovial sheath and separated from one another by a fibrous septa. Extrinsic denotes their location outside the hand.

Extensor denotes their action which is to extend or open flat joints in the hand. Extensor tendon compartments ligaments of the fingers flexor pulley system blood supply to hand wrist ligaments biomechanics. Extensor tendon injuries and tenosynovitis represent clinical situations in which knowledge of this anatomy is use.

El badawi mg butt mm al zuhair agh fadel ra. Anatomy of the extensor tendons of the fingers. The extrinsic extensor muscles of the hand are located in the back of the forearm and have long tendons connecting them to bones in the hand where they exert their action.

The extensor tendons are held in place by the extensor retinaculum. The extensor tendon compartments of the wrist are six tunnels which transmit the long extensor tendons of the forearmthey are located on the posterior aspect of the wrist.

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