Dorsal Wrist Anatomy

Reinforced by the floor and septa of the fibrous tunnels for the six dorsal compartments see below and have a z shaped configuration. The distal radioulnar joint is a pivot joint located between the bones of the forearm the radius and ulna.

Ganglions Of The Wrist Eorthopod Com

We think this is the most useful anatomy picture that you need.

Dorsal wrist anatomy. It is actually a collection of multiple bones and joints. 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. Dorsal ligaments palmar intercarpal ligaments.

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. These soft tissues function with the wrists bones and joints to provide movement sensation and nourishment to the hand. The dorsal wrist ligaments are comparatively thin.

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. A transverse sweep across the dorsal wrist is sometimes helpful identifying the extensor compartments 1 6. Listers tubercle serves as a good landmark between compartments 2 and 3.

The wrist is a complex joint that bridges the hand to the forearm. If talking about the skull the dorsal side is the top. The first compartment of extensor tendons is localized on the radial dorsal surface of the wrist and includes the tendons of.

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 fibres of the dorsal radiocarpal ligaments are aligned more or less in the same axis as the forearm those of. The dorsal from latin dorsum meaning back surface of an organism refers to the back or upper side of an organism.

Bones of the wrist palmar view. The wrist also contains several soft tissues such as ligaments tendons nerves and blood vessels. We think this is the most useful anatomy picture that you need.

The abductor pollicis longus apl and extensor pollicis brevis epb. Dorsal wrist the hand is pronated. These two terms used in anatomy and embryology refer to back dorsal and front or belly ventral of an organism.

Wrist Hand Anatomy