Hand Muscles - Hypothenar

Question 1

abductor digiti minimi

Answer 1

PA:
+ pisiform

DA:
+ medial side of base of proximal phalanx of 5th finger

N:
+ deep branch of ulnar nerve (C8, T1*)

A:
+ abducts 5th finger
+ assists in flexion of its proximal phalanx

Question 2

flexor digiti minimi brevis

Answer 2

PA:
+ hook of hamate
+ flexor retinaculum

DA:
+ medial side of base of proximal phalanx of 5th finger

N:
+ deep branch of ulnar nerve (C8, T1*)

A:
+ flexes proximal phalanx of 5th finger

Question 3

opponens digiti minimi

Answer 3

PA:
+ hook of hamate
+ flexor retinaculum

DA:
+ medial border of 5th metacarpal

N:
+ deep branch of ulnar nerve (C8, T1*)

A:
+ draw 5th metacarpal anterior and rotates it, bringing 5th finger in opposition with the thumb