Dorsal Wrist Anatomy

The wrist is a complex joint that bridges the hand to the forearm. These two terms used in anatomy and embryology refer to back dorsal and front or belly ventral of an organism.

Wrist And Hand Deep Dorsal Dissection

The dorsal from latin dorsum meaning back surface of an organism refers to the back or upper side of an organism.

Dorsal wrist anatomy. A transverse sweep across the dorsal wrist is sometimes helpful identifying the extensor compartments 1 6. It is actually a collection of multiple bones and joints. The bones comprising the wrist include the distal ends of the radius and ulna 8 carpal bones and the proximal portions of the 5 metacarpal bones see the images below.

During its examination the patients hand should rest freely or if a good access cannot be obtained it should be raised from the radial side. The abductor pollicis longus apl and extensor pollicis brevis epb. These soft tissues function with the wrists bones and joints to provide movement sensation and nourishment to the hand.

We think this is the most useful anatomy picture that you need. A series of ligaments that extend transversely across the palmar front or volar surface of the wrist connecting the carpals to one another and the carpals to the radiusulna. The first compartment of extensor tendons is localized on the radial dorsal surface of the wrist and includes the tendons of.

If talking about the skull the dorsal side is the top. Formed by the head of the ulna and the ulnar notch of the radius this joint is separated from the radiocarpal joint by an articular disk lying between the radius and the styloid process of the ulna. The distal radioulnar joint is a pivot joint located between the bones of the forearm the radius and ulna.

Dorsal ligaments palmar intercarpal ligaments. We think this is the most useful anatomy picture that you need. Listers tubercle serves as a good landmark between compartments 2 and 3.

Dorsal wrist the hand is pronated. The wrist also contains several soft tissues such as ligaments tendons nerves and blood vessels. The fibres of the dorsal radiocarpal ligaments are aligned more or less in the same axis as the forearm those of.

The dorsal wrist ligaments are comparatively thin. Reinforced by the floor and septa of the fibrous tunnels for the six dorsal compartments see below and have a z shaped configuration. Bones of the wrist palmar view.

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