hand nerves p420 Flashcards

1
Q

clawing in hands are best seen in what lesion?

A

distal lesion of median or ulnar nerves

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2
Q

in what lesion gives you pope’s blessing?

A

proximal median nerve

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3
Q

what is atrophy of the thenar eminence?

A

unopposable thumb –> ape hand

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4
Q

what nerve lesion can lead to ape hand (atrophy of the thenar eminence)?

A

median nerve (C5 - T1) lesion

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5
Q

what nerve lesion can lead to atrophy of the hypothenar eminence?

A

ulnar nerve (C8 - T1) lesion

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6
Q

what muscle is used to abduct the fingers?

A

dorsal interossei

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7
Q

what muscle is used to adduct the fingers?

A

palmar interossei

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8
Q

what muscle flex at the MCP joint, extend PIP and DIP joints

A

lumbricals

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