- May 2, 2026The extensor carpi ulnaris (ECU) tendon occupies its own sixth extensor compartment but has a unique additional stabilising structure —…
- May 2, 2026A small adventitial bursa may develop over the hypothenar eminence between the palmaris brevis and the overlying skin or between…
- May 2, 2026A small bursa at the first CMC joint develops in response to arthritic change and joint synovitis at the basal…
- May 2, 2026The ulnar bursa of the hand (common flexor sheath) is a synovial-lined sac enclosing the flexor digitorum superficialis and profundus…
- May 2, 2026The radial bursa of the hand is the synovial sheath of the flexor pollicis longus tendon, extending from approximately 2…
- May 2, 2026The deep spaces of the hand are potential bursal spaces between the flexor tendons and the interosseous and adductor muscles.…
- May 2, 2026Flexor tendon zone 2 extends from the A1 pulley at the MCP joint to the insertion of FDS on the…
- May 2, 2026The flexor carpi ulnaris (FCU) tendon inserts on the pisiform bone (the sesamoid within the tendon), with secondary extensions to…
- May 2, 2026The extensor carpi radialis longus (ECRL) tendon occupies the second dorsal wrist compartment (alongside the ECRB) and inserts on the…
- May 2, 2026The thumb flexor pulley system consists of two annular pulleys (A1 at the MCP joint and A2 at the IP…