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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 |