Hand - Hypothenar Eminence

Question 0

Abductor Digiti Minimi

Answer 0

Origin: Pisiform Bone
Insertion: Medial Side of Proximal Phalanx of 5th Digit
Action: Abducts 5th Digit
Nerve: Ulnar (via Deep Branch)

Question 1

Palmar Brevis (superficial)

Answer 1

Origin: Palmar Aponeurosis
Insertion: Skin of the Hypothenar Eminence
Action: Tightens Skin over Hypothenar Eminence
Nerve: Ulnar (via Superficial Branch)

Question 2

Flexor Digiti Minimi

Answer 2

Origin: Hook of Hamate and Flexor Retinaculum
Insertion: Medial Side of Proximal Phalanx of 5th Digit
Action: Flexes 5th Digit
Nerve: Ulnar (via Deep Branch)

Question 3

Opponens Digiti Minimi

Answer 3

Origin: Hook of Hamate and Flexor Retinaculum
Insertion: Medial Side of 5th Metacarpal
Action: Laterally Rotates Metacarpal 5 to Oppose 5th Digit (Opposition)
Nerve: Ulnar (via Deep Branch)