Intrinsic Muscles of hand Flashcards by Thida Thida

Q

abductor pollicis brevis (insertion)

A

proximal phalanx of thumb

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Q

abductor pollicis brevis (origin)

A

flexor retinaculum

lateral carpals

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Q

abductor pollicis brevis (innervation)

A

recurrent branch of median nerve

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Q

abductor pollicis brevis (action)

A

abducts thumb

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Q

flexor pollicis brevis (origin)

A

flexor retinaculum,

lateral carpals

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Q

flexor pollicis brevis (insertion)

A

proximal phalanx of thumb

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Q

flexor pollicis brevis (innervation)

A

recurrent branch of median nerve

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Q

flexor pollicis brevis (action)

A

flexes thumb

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Q

opponens pollicis (origin)

A

flexor retinaculum

lateral carpals

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Q

opponens pollicis (insertion)

A

1st metacarpal

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Q

opponens pollicis (innervation)

A

recurrent branch of median nerve

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Q

opponens pollicis (action)

A

opposes thumb

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Q

adductor pollicis (origin)

A

3rd metacarpal

carpals

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Q

adductor pollicis (insertion)

A

proximal phalanx of thumb

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Q

adductor pollicis (innervation)

A

deep branch of ulnar nerve

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Q

adductor pollicis (action)

A

adducts thumb

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Q

abductor digiti minimi brevis (origin)

Study These Flashcards

A

medial carpals

Q

abductor digiti minimi (insertion)

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A

proximal phalanx of little finger

Q

abductor pollicis (innervation)

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A

deep branch of ulnar nerve

Q

abductor digiti minimi (action)

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A

abduct little finger

Q

flexor digiti minimi brevis (origin)

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A

flexor retinaculum

medial carpals

Q

flexor digiti minimi brevis (insertion)

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A

proximal phalanx of little finger

Q

flexor digiti minimi brevis (innervation)

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A

deep branch of ulnar nerve

Q

flexor digiti minimi brevis (action)

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A

flexes little finger (MP joint)

opponens digiti minimi (origin)

flexor retinaculum | medial carpals

opponens digiti minimi (insertion)

5th metacarpal

opponens digiti minimi (innervation)

deep branch of ulnar nerve

opponens digiti minimi (action)

opposes little finger

lumbricals (origin)

tendons of flexor digitorum profundus

lumbricals (insertion)

extensor expansions at digits 2-5

lumbricals (innervation)

lumbrical 1-2 (by median nerve) | lumbrical 3-4 (by deep branch of ulnar nerve)

lumbricals (action)

L shape extension of digits at IP joints flexion of digits 2-4 at MP joints

dorsal interossei (origin)

metacarpals

dorsal interossei (insertion)

extensor expansions and proximal phalanges of digit 2-4

dorsal interossei (innervation)

deep branch of ulnar nerve

dorsal interossei (action)

abduction of digits 2-4

palmar interossei (origin)

Metacarpals

palmar interossei (insertion)

extensor expansions and proximal phalanges of digit 2,4,5

palmar interossei (innervation)

deep branch of ulnar nerve

palmar interossei (action)

adduction of digit 2,4,5