- April 28, 2026The ECRL inserts on the second metacarpal base dorsal surface, making it a wrist extensor and radial deviator. It is…
- April 28, 2026The palmaris longus is the slender central wrist flexor whose tendon is the most commonly harvested tendon graft in hand…
- April 28, 2026The EIP tendon runs alongside the EDC in the fourth compartment and inserts ulnar to the EDC index tendon on…
- April 28, 2026The ECU tendon sheath and its subsheath within the sixth extensor compartment constrains the ECU tendon in the groove between…
- April 28, 2026The FCR tendon passes through a narrow fibro-osseous tunnel within the groove of the trapezium bone before inserting on the…
- April 28, 2026The FPL has its own separate sheath within the carpal tunnel (the radial bursa) that is distinct from the ulnar…
- April 28, 2026De Quervain tenosynovitis involves the tendons of the APL and EPB within the first extensor compartment at the radial styloid.…
- April 28, 2026The individual intercarpal joints between adjacent carpal bones are plane synovial joints linked by interosseous, volar, and dorsal ligaments. They…
- April 28, 2026The finger CMC joints increase in mobility from index (virtually immobile keystone) to little finger (20 degrees of flexion enabling…
- April 28, 2026The wrist joint complex includes the radiocarpal joint (radius to proximal carpal row) and the midcarpal joint (proximal to distal…