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The Anatomical Snuffbox

The anatomical snuffbox (also known as the radial fossa), is a triangular depression found on the lateral aspect of the dorsum of the hand. It is located at the level of the carpal bones, and best seen when the thumb is extended. In the past, this depression was used to hold snuff (ground tobacco) before […]

Arterial Supply to the Upper Limb

The arterial supply to the upper limb is delivered via five main vessels (proximal to distal): Subclavian artery Axillary artery Brachial artery Radial artery Ulnar artery In this article, we shall look at the anatomy of the arteries of the upper limb – their anatomical course, branches and clinical correlations. Subclavian Artery The arterial supply […]

The Radius

The radius is a long bone in the forearm. It lies laterally and parallel to ulna, the second of the forearm bones. The radius pivots around the ulna to produce movement at the proximal and distal radio-ulnar joints. The radius articulates in four places: Elbow joint – Partly formed by an articulation between the head […]

The Wrist Joint

The wrist joint (also known as the radiocarpal joint) is a synovial joint in the upper limb, marking the area of transition between the forearm and the hand. In this article, we shall look at the structures of the wrist joint, the movements of the joint, and the relevant clinical syndromes. Structures of the Wrist […]

The Humerus

The humerus is a long bone of the upper limb, which extends from the shoulder to the elbow. The proximal aspect of the humerus articulates with the glenoid fossa of the scapula, forming the glenohumeral joint. Distally, at the elbow joint, the humerus articulates with the head of the radius and trochlear notch of the […]

The Elbow Joint

The elbow is the joint connecting the upper arm to the forearm. It is classed as a hinge-type synovial joint. In this article, we shall look at the anatomy of the elbow joint; its articulating surfaces, movements, stability, and the clinical relevance. Structures of the Elbow Joint Articulating Surfaces It consists of two separate articulations: Trochlear notch of […]

The Anatomical Position

The anatomical position is the standard reference orientation of the human body. It is used to provide a clear and consistent mechanism of describing the location of structures. In this article, we shall look at the anatomical position in more detail – its features and applications in describing human anatomy. Description of the Anatomical Position […]

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