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Anatomy > Hand Muscles Fx/Innervation > Flashcards

Hand Muscles Fx/Innervation Flashcards

1
Q

Anatomical Snuffbox Muscles

A

Abductor pollicis longus
Extensor pollicis longus
Extensor pollicis brevis

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2
Q

Abductor pollicis longus Innervation

A

Posterior interosseous nerve

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3
Q

Abductor pollicis longus Function

A

Abducts pollex (thumb)

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4
Q

Extensor pollicis longus Innervation

A

Posterior interosseous nerve

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5
Q

Extensor pollicis longus Function

A

Extends pollex (thumb)

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6
Q

Extensor pollicis brevis innervation

A

Posterior interosseous nerve

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7
Q

Extensor pollicis brevis function

A

Extends pollex (thumb)

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8
Q

Thenar Eminence Muscles

A

Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicies
Adductor pollicis

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9
Q

Abductor pollicis brevis innervation

A

Recurrent branch of median nerve

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9
Q

Abductor pollicis brevis Function

A

Abducts pollex (thumb)

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10
Q

Flexor pollicis brevis Innervation

A

Recurrent branch of median nerve

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11
Q

Flexor pollicis brevis Fxn

A

Flexes pollex (thumb)

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12
Q

Opponens pollicies Fxn:

A

Opposes pollex (thumb)

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12
Q

Adductor pollicis Fxn

A

Adducts pollex (thumb)

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13
Q

Adductor pollicis Innervation

A

Deep branch of ulnar nerve

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13
Q

Adductor pollicis Innervation

A

Deep branch of ulnar nerve

14
Q

Abductor Digiti Minimi Innervation

A

Deep branch of ulnar nerve

15
Q

Abductor Digiti Minimi Fxn

A

Abducts digit 5 away from midline of hand

16
Q

Lumbricals Innervation

A

Deep branch of ulnar nerve

17
Q

Lumbricals fxn

A

Flexes at mp joint

extends at PIP/DIP

18
Q

Palmar Interossei Innervation

A

Deep branch of ulnar nerve

18
Q

Palmar interossei fxn

A

Adducts digits 2, 4, 5 toward midline of hand

19
Q

Dorsal interossei innervation

A

Deep branch of ulnar nerve

20
Q

Dorsal interossei fxn

A

Abducts digits 2-4 away from midline of hand (2 muscles for middle finger)

Anatomy (25 decks)

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