- May 2, 2026The elbow joint combines three articulations in one synovial cavity: the humeroulnar hinge (primary flexion-extension), the radiohumeral ball-and-socket (rotation +…
- May 2, 2026The radiohumeral joint is the articulation between the spherical capitellum and the concave radial head, located within the common elbow…
- May 2, 2026The humeroulnar joint is the principal hinge of the elbow, with the deep trochlear notch of the ulna wrapping around…
- May 2, 2026The superior radioulnar joint forms the proximal pivot of the forearm rotation mechanism, the radial head rotating within the annular…
- May 2, 2026A small branch of the radial nerve or its branch to the medial head of triceps supplying the articularis cubiti…
- May 2, 2026The radial nerve gives multiple branches to the three heads of triceps, with the long and medial head branches arising…
- May 2, 2026The nerve to anconeus typically arises from the radial nerve in the spiral groove or just distal to it, entering…
- May 2, 2026The radial nerve divides into superficial (sensory) and deep (motor — posterior interosseous nerve) branches at the anterior surface of…
- May 2, 2026The branch of the radial nerve supplying the long head of triceps arises proximal to the spiral groove, at the…
- May 2, 2026A branch of the musculocutaneous nerve supplying the short head of biceps, typically arising as the musculocutaneous nerve penetrates the…