Hand

Question 1

Muscles innervated by median nerve (2LOAF)

Answer 1

2L: Lateral two lumbricals
O: Oppenens pollis
A: Abductor pollicus brevis
F: Flexor pollicus brevis
OAF: Muscles of thenar eminence

Question 2

Muscles innervated by ulnar nerve (2LOAF + PAD/DAB + PBAP)

Answer 2

2L: Medial two lumbricals
O: Opponens digiti minimi
A: Abductor digiti minimi
F: Flexor digiti minimi brevis
OAF: Muscles of hypothenar eminence
PAD: Palmar interossei (ADductors)
DAB: Dorsal interossei (ABductors)
PB: Palmaris brevis
AP: Adductor pollicus

Question 3

Actions of muscles innervated by median nerve (2LOAF)

Answer 3

Lumbricals: Flex @ MCP, ext @ IP (index and middle digit)
Oppenens pollicis: Oppose thumb
Abductor pollicus brevis: ABduct thumb
Flexor pollicus brevis: Flex thumb @ MCP

Question 4

Actions of muscles innervated by ulnar nerve (2LOAF + PAD/DAB + PBAP)

Answer 4

Lumbricals: Flex @ MCP, ext @ IP (ring and little digit)
Opponens digiti minimi: Oppose little digit
Abductor digiti minimi: ABduct little digit
Flexor digiti minimi brevis: Flex little digit @ MCP
Palmar interossei: ADduct digits towards midline
Dorsal interossei: ABduct digits away from midline
Palmaris brevis: Improve grip
Adductor pollicus: ADduct thumb