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Hand Muscles
| Question | Answer |
|---|---|
| Abductor pollicis brevis origin | flexor retinaculum, scaphoid, trapezium |
| Flexor pollicis brevis origin | flexor retinaculum, scaphoid, trapezium |
| Palmar interossei origin | palmar sides of 2nd, 4th, and 5th metacarpals |
| Dorsal interossei origin | Adjacent sides of metacarpals |
| Lumbricales origin | Flexor digitorum profundus tendons |
| Abductor digiti minimi origin | pisiform |
| Opponens pollicis origin | flexor retinaculum, scaphoid, trapezium |
| Adductor pollicis origin | oblique head: 2nd, 3rd metacarpal and capitate transverse head: 3rd metacarpal |
| Flexor digiti minimi origin | flexor retinaculum, hook of hamate |
| Opponens digiti minimi origin | flexor retinaculum, hook of hamate |
| Palmar interossei insertion | extensor expansions and base of proximal phalanges of 2nd, 4th and 5th digits |
| Lumbricales insertion | extensor expansions of 2nd-5th digits |
| Abductor pollicis brevis insertion | base of proximal phalanx of thumb |
| Flexor pollicis brevis insertion | base of proximal phalanx of thumb |
| Opponens pollicis insertion | 1st metacarpal |
| Dorsal interossei insertion | extensor expansions and base of proximal phalanges of 2nd-4th digits |
| Abductor digiti minimi insertion | base of proximal phalanx of 5th digit |
| Flexor digiti minimi insertion | base of proximal phalanx of 5th digit |
| Adductor pollicis insertion | base of proximal phalanx of thumb |
| Opponens digiti minimi insertion | 5th metacarpal |