- May 2, 2026The APL is the most anterior wrist tendon, forming the radial border of the anatomical snuffbox alongside EPB. Its multiple…
- May 2, 2026The EPB tendon runs through the first extensor compartment alongside APL, inserting on the thumb proximal phalanx (unlike APL which…
- May 2, 2026The palmar aponeurosis longitudinal bands are the fibrous cords running from the flexor retinaculum to the fingers, providing the palm's…
- May 2, 2026The intrinsic minus pattern produces the claw hand deformity of ulnar nerve palsy. With intrinsics paralysed, the EDC (extrinsic extensors)…
- May 2, 2026The five flexor tendon zones guide treatment decisions and predict outcomes. Zone II (no man's land — between the A1…
- May 2, 2026The six extensor compartments are separated by fibrous septa from the extensor retinaculum, each with a specific anatomical relationship. From…
- May 2, 2026The annular pulley system is the fibro-osseous tunnel maintaining the flexor tendons against the phalanges. The A2 and A4 pulleys…
- May 2, 2026The palmaris longus is the slender central wrist flexor whose tendon is the most commonly harvested tendon graft in hand…
- May 2, 2026The EPL tendon has a unique course — it passes through the third extensor compartment then makes a 30-degree radial…
- May 2, 2026The flexor retinaculum (transverse carpal ligament) forms the roof of the carpal tunnel, converting the carpal groove into the carpal…