Lumbricals of the hand
Muscles in the central compartment of the hand / From Wikipedia, the free encyclopedia
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For the foot muscles, see Lumbrical muscle of the foot.
The lumbricals are intrinsic muscles of the hand that flex the metacarpophalangeal joints,[1] and extend the interphalangeal joints.[1][2]
Quick Facts Details, Origin ...
Lumbricals of the hand | |
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Details | |
Origin | Flexor digitorum profundus |
Insertion | Extensor expansion |
Artery | Superficial palmar arch, common palmar digital arteries, deep palmar arch, dorsal digital artery |
Nerve | Third and fourth deep branch of ulnar nerve, first and second median nerve |
Actions | Flex metacarpophalangeal joints, extend interphalangeal joints |
Identifiers | |
Latin | musculi lumbricales manus |
TA98 | A04.6.02.065 |
TA2 | 2532 |
FMA | 37385 |
Anatomical terms of muscle |
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The lumbrical muscles of the foot also have a similar action, though they are of less clinical concern.