MOINA Intrinsic Hand Muscles Flashcards
(O) Palmaris brevis
Flexor retinaculum & palmar aponeurosis
(I) Palmaris brevis
Skin of palm
(N) Palmaris brevis
Superficial branch of ulnar nerve
(O) Lumbricals [4]
Tendons of flexor digitorum profundus
(I) Lumbricals [4]
Extensor expansion of medial 4 fingers
(N) Lumbricals [4]
1st and 2nd, medial nerve
3rd and 4th, deep branch of ulnar nerve
(A) Lumbricals [4]
Flex metacarpophalangeal joints and extend interphalangeal joints of fingers except thumb
(O) Palmar [4]
1st arises from base of 1st metacarpal
Remaining three from anterior surface of shafts of 2nd, 4th & 5th metacarpals
(I) Palmar [4]
Proximal phalanges of thumb & index, ring & middle fingers, and dorsal extensor expansion of each finger
(A) Palmar [4]
Palmar interossei adduct fingers toward center of 3rd finger
(N) Palmar [4]
Deep branch of ulnar nerve
(O) Dorsal [4]
Contiguous sides of shafts of metacarpal bones
(I) Dorsal [4]
Proximal phalanges of index, ring & middle fingers, and dorsal extensor expansion
(N) Dorsal [4]
Deep branch of ulnar nerve
(A) Dorsal [4]
Dorsal interossei abduct fingers from center of 3rd finger; both palmar and dorsal flex metacarpophalangeal joints and extend interphalangeal joints