Intrinsic muscles of hand
For thenar and hypothenar muscles, think: "A OF & OF A"
Thenar eminence (lateral to medial on palmar surface):
- Abductor pollicis brevis (APB)
- Opponens pollicis
- Flexor pollicis brevis
Hypothenar eminence (lateral to medial on palmar surface):
- Opponens digiti minimi
- Flexor digiti minimi
- Abductor digiti minimi
Note: Both the first and last A's are Abductors.
Other intrinsic muscles of hand are Palmaris brevis, Dorsal interossei, Palmar interossei and Adductor pollicis.
This work is licensed under a Creative Commons Attribution-Share Alike 3.0 license.
Did you know?
 Abductor pollicis brevis (APB) originates from tubercles of scaphoid and trapezium and is inserted to proximal phalanx and extensor hood of thumb. |
| Thenar eminence is innervated by the median nerve and hypothenar eminence by the ulnar nerve. |
- Add new comment
- 6375 reads
-
you have omitted the Flexor Pollicis Brevis from the thenar group, and also that the deep branch of the ulnar nerve contributes to the thenar.