short muscles of hand Flashcards by Desirae Steier | Brainscape

Q

lumbricals #1-4 origin

A

flexor digitorum profundus tendon

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Q

lumbricals #1-4 insertion

A

extensor digitorum tendon

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Q

lumbricals #1-4 action

A

extend fingers at IP joints
flex MCP joints

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Q

lumbricals #1-4 innervation

A

median nerve
ulnar nerve

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Q

dorsal interossei origin

A

adjacent sides of MCs

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Q

dorsal interossei insertion

A

proximal phalanx of corresponding finger

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Q

dorsal interossei action

A

ABD fingers from center
assist lumbricals

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Q

dorsal interossei innervation

A

ulnar nerve

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Q

palmar interossei origin

A

MCs #2,4,5

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Q

palmar interossei insertion

A

proximal phalanges #2,4,5

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Q

palmar interossei action

A

ADD fingers
assist lumbricals

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Q

palmar interossei innervation

A

ulnar nerve

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