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Palmar Interossei (Hand)

The palmar interossei are intrinsic muscles of the hand. There are three palmar interossei muscles (although some texts describe a fourth muscle at the base of the proximal phalanx of…

Arterial Supply to the Upper Limb

…the radial and ulnar arteries. Note the position of the ulnar nerve relative to the ulnar artery. Hand: Superficial and Deep Palmar Arches The hand has a rich arterial supply…

The Wrist Joint

…increasing stability, is to ensure that the hand follows the forearm during supination. Dorsal radiocarpal – Found on the dorsum (posterior) side of the hand. It passes from the radius…

The Anatomical Snuffbox

…associated area on the back of the hand. Cephalic vein – arises from the dorsal venous network of the hand and crosses the anatomical snuffbox to travel up the anterolateral…

Anatomical Terms of Movement

…at the ankle, so that the foot points more superiorly. Dorsiflexion of the hand is a confusing term, and so is rarely used. The dorsum of the hand is the…

The Brachial Plexus

…anterior (palmar) surface of the hand. By TeachMeSeries Ltd (2024) Fig 6 – The derivation of the median nerve from the brachial plexus Radial Nerve See more detailed information here….

The Radial Nerve

…the posterior forearm, the lateral aspect of the dorsum of the hand, and the dorsal surface of the lateral three and a half digits. Motor – Innervates the triceps brachii…

Recurrent Branch of Median Nerve

The recurrent branch of median nerve (thenar muscular branch) is small motor branch of the median nerve in the hand. It supplies the thenar muscles of the hand, which are…

…branches. It has a motor and sensory function in the posterior forearm and hand. Biceps tendon – passes centrally through the cubital fossa and attaches the radial tuberosity (immediately distal…

The Radius

…fractures. Here, we shall look at the common fracture types involving the radius: Colles’ fracture – The most common type of radial fracture. A fall onto an outstretched hand causing…