Hypothenar Muscles Flashcards

1
Q

Abductor Digiti Minimi

A

O: Pisiform
I: Medial side of base of proximal phalanx of 5th digit
N: Deep Branch of Ulnar Nerve (C8, T1)
A: Abducts 5th digit; assists in Flexion of its proximal phalanx

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2
Q

Flexor Digiti Minimi Brevis

A

O: Hook of Hamate and Flexor Retinaculum
I: Medial side of base of proximal phalanx of 5th digit
N: Deep Branch of Ulnar Nerve (C8, T1)
A: Flexes proximal phalanx of 5th Digit

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3
Q

Opponens Digiti

A

O: Hook of Hamate and Flexor Retinaculum
I: Medial Border of 5th Digit
N: Deep Branch of Ulnar Nerve (C8, T1)
A: Draws 5th Metacarpal anterior and rotates it, bringing 5th digit into opposition with thumb

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