- May 2, 2026The third dorsal interosseous abducts the middle finger toward the ring finger, opposing the second dorsal interosseous. Together with the…
- May 2, 2026The fourth dorsal interosseous is the most ulnar of the dorsal interossei, abducting the ring finger toward the little finger.…
- May 2, 2026The second lumbrical is unipennate from the second FDP tendon and is the second median-nerve lumbrical. Together with the first,…
- May 2, 2026The first palmar interosseous is unique in that it adducts the thumb toward the palm, working with adductor pollicis in…
- May 2, 2026The second palmar interosseous (PAD: Palmar ADducts) adducts the ring finger toward the axis of the middle finger. It lies…
- May 2, 2026The third palmar interosseous adducts the little finger from its naturally abducted position toward the ring finger. It is the…
- May 2, 2026The first lumbrical is the most radially placed hand lumbrical, arising from the radial border of the first FDP tendon…
- May 2, 2026The extensor digitorum brevis manus (EDBM) is a rare anomalous muscle on the dorsal wrist and hand, present in approximately…
- May 2, 2026The opponens pollicis is the thenar muscle that produces the defining human function of precision pinch through thumb opposition. It…
- May 2, 2026The first dorsal interosseous is the most prominent and easily tested interosseous muscle, forming the rounded muscle bulk of the…