- May 2, 2026The ulna is the medial forearm bone forming the primary articulation with the humerus at the elbow via its olecranon…
- May 2, 2026The pronator teres is the primary forearm pronator, inserting on the lateral radius to rotate it around the ulna in…
- May 2, 2026The FCR is the primary radial wrist flexor, inserting on the second metacarpal base. Its tendon passes through a fibro-osseous…
- May 2, 2026The ECRB is the primary wrist extensor active during gripping, running through the second extensor compartment to the third metacarpal…
- May 2, 2026The extensor indicis provides the independent index finger extension needed for pointing while the other digits are flexed. Its position…
- May 2, 2026The FPL is the only flexor of the thumb IP joint, providing the grip force for pinch. The anterior interosseous…
- May 2, 2026The extensor digitorum communis is the primary finger extensor, running through the fourth extensor compartment to the extensor expansions of…
- May 2, 2026The flexor digitorum profundus is the deep finger flexor that alone controls distal phalanx flexion, passing through the flexor tendon…
- May 2, 2026The pronator quadratus is a flat, square muscle binding the distal radius and ulna together, acting as the primary pronator…
- May 2, 2026The extensor indicis is the only finger extensor with an independent muscle belly dedicated to a single finger, providing the…