Dorsum Of Hand Anatomy

Blood supply of the hand. Lateral 23rd of the dorsum of hand including dorsal surface of proximal and middle phalanges of lateral 3 12 digits.

Cheney Uldorshand Jpg 1100 1211 Hand Anatomy Anatomy Images Body Tutorial

For improved clarity the directional term palmar from Latin palma palm of the hand is usually used to describe the front of the hand and dorsal is the back of the hand.

Dorsum of hand anatomy. Demonstration of the dorsum of the hand including the extensor retinaculum and anatomical snuff box. The dorsal digital veins of the hand join both the cephalic vein and basilica vein. Dorsum of hand Skin Superficial fascia- contain dorsal venous arch Superficial branch of radial nerve Dorsal branch of ulnar nerve Deep fascia Extensor tendons Median nerve.

The central Middle band is attached to the middle phalanx. Radial and ulnar. The tendons of the extensor digitorum muscle pass onto the dorsal aspect of the digits and expand over the proximal phalanges to form complex extensor expansions.

Know this allows people to find the correct information. The deep palmar arch is the main branch of the radial artery and supplies the deep hand structures. The last three groups of hand muscles that is the lumbricals dorsal interossei and palmar interossei are situated in the deepest layer of the hand and are commonly taken together as one big group called the metacarpal muscles of the hand.

Between the dorsal carpal ligament and the carpal bones six compartments are formed for the passage of tendons. Anatomical terms used to describe a human hand. The heel of the hand is the area anteriorly to the bases of the metacarpal bones located in the proximal part of the palm.

Usually the dorsal surface of the hand is devoid of muscle bellies it only contains the tendons of the extensor muscles of the hand. For starters the bones of the hand sit in a curved arrangement so like the foot its convex on its dorsal side and concave on its palmer side. The back of the Hand.

Found on the dorsum of the hand are the tendons of the extensor pollicis longus extensor. Though pellagra can present on any site the dorsum of the hands feet face neck and arms are the usual sites of involvement7 The most common site is the dorsum of hands with the lesions extending up the arm in the form of gauntlet. And its muscles and additional parts - color-coded numbered and named.

Several anatomical terms are particular to the hands and feet. The cephalic vein starts from the lateral end of the dorsal venous network and runs along the radial side of the forearm. The entire dorsal venous network then connects to the cephalic vein in the center of the forearm.

The dorsum of hand opisthenar area dorsal area is the corresponding area on the posterior part of the hand. The more superficial cephalic and basilic veins drain the dorsal venous network of the hand. It is the area that sustains most pressure when using the palm of the hand for support such as in handstand.

You will also find palmaris brevis opponens pollicis abductor digiti quinti minimi abductor pollicis brevis flexor digit quinti brevis as well. It divides into three bands. The venous drainage of the upper limb starts by the dorsal venous network that lies on the dorsum of the hand and continues laterally into the cephalic vein and medially into the basilic vein.

Medial 13rd of dorsum of hand by its dorsal cutaneous branch. Hand Muscle And Tendon Anatomy Dorsal View In this image you will find hand muscle and tendon anatomy palmaris longus flexor carpi radialis flexor carpi ularis flexor retinaculum in it. For more anatomy content please follow us and visit our website.

We hope this picture Surface Anatomy Of Dorsum Of Hand Diagram can help you study and research. Each extensor expansion is triangular in shape with the apex attached to the distal phalanx. They work in unison to help with the extension flexion abduction and adduction of the phalanges.

Surface Anatomy Of Dorsum Of Hand Diagram We are pleased to provide you with the picture named Surface Anatomy Of Dorsum Of Hand Diagram. Radial nerve supplies skin over. Follow our journeyWebsite.

Writing about the dorsal foot last time got me thinking about the dorsal hand which despite its completely different outward appearance is a pretty close relative structurally. The opisthenar area dorsal is the corresponding area on the posterior part of the hand. Paired veins accompany the arterial arches and share the same names ie.

Palmar and dorsal surfaces of medial 1 12 digits by its superficial and dorsal digital branches. Superficial veins on the dorsal aspect of the hand are often visible and can be accessed for numerous procedures.

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