hand muscles Flashcards by Mikayla Pascavis

Q

abductor pollicus brevis action

A

abducts thumb (cmc)

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Q

abductor pollicus brevis nerve

A

median

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Q

flexor pollicus brevis action

A

flexes thumb (mcp)

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Q

flexor pollicus brevis nerve

A

median

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Q

opponens pollicus action

A

flexion, abduction of thumb (cmc)

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Q

opponens pollicus nerve

A

median

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Q

adductor pollicus action

A

adduction thumb

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Q

adductor pollicus nerve

A

ulnar

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Q

abductor digiti minimi action

A

abduction 5th digit (mcp)

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Q

abductor digiti minimi nerve

A

ulnar

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Q

flexor digiti minimi (brevis) action

A

flexion 5th digit (mcp)

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Q

flexor digiti minimi (brevis) nerve

A

ulnar

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Q

opponens digiti minimi action

A

opposition (gliding at cmc)

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Q

opponens digiti minimi nerve

A

ulnar

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Q

lumbricales (1-4) action

A

flexion digits 2-5 at mcp’s with extension of pip/dip

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Q

lumbricales (1-4) nerve

A

1-2 median; 3-4 ulnar

Q

dorsal interossei action

A

abduction of digits 2-4 (mcp)

Q

dorsal interossei nerve

A

ulnar

Q

palmar interossei action

A

adduction digits 2,4,5

Q

palmar interossei nerve

A

ulnar