Hand Muscles

Question 1

Abductor Pollicis Brevis M

Answer 1

scaphoid and trapezium to the base of the proximal phalanx

Abduct pollux and aids in opposition

Inn: Recurrent branch of Median N

Blood supply: Superficial palmar arch a

Question 2

Opponens Pollicis M

Answer 2

Oppose the Thumb

scaphoid and trapexium to the lateral aspect of the 1st metacarpal

Inn: Recurrent Branch of the median N

Blood supply:Superficial Palmar Arch

Question 3

Flexor Pollicis Brevis M

Answer 3

Thumb flexion

Trapezium to base of the proximal Phalanx

Nerve: siperficial head is the recurrent Branch of median N

Deep head: Deep ulnar N

Blood supply: Superficial palmar arch

Question 4

Adductor Pollicis M

Answer 4

metacarpal bones 2 and 3 and capitate to the medial aspect of the proximal Phalanx of the pollux

inn: Deep ulnar N

Blood supply: Deep palmar arch

Question 5

Abductor digiti minimi

Answer 5

digit 5 ABduction

pisiform to proximal digit 5

inn: Deep ulnar N

Blood supply: Ulnar artery

Question 6

Flexor Digiti Minimi brevis M

Answer 6

Digit 5 flexion

hook of the hamate bone to the medial aspect of the proximal phalanx of digit 5

inn: Deep ulnar N

Blood supply: Ulnar A

Question 7

Opponens Digiti Minimi M

Answer 7

Digit 5 opposition

hook of the hammate to the 5th metacarpal

Inn: Deep ulnar N

Blood supply: Ulnar artery

Question 8

Lumbrical M

Answer 8

lateral on digits 2-3
medial on digits 4-5

come from the Flexor digitorum profundous tendons as unipennate muscles

to the extensor expansions of the digits

flex proximal and extend intermediate and distal

inn: 2-3= median N
4-5 deep ulnar N

Question 9

Dorsal Interossei

Answer 9

DAB, ABduct
occurs for 2-5

inn: Deep Ulnar N

Question 10

Palmar Interossei

Answer 10

PAD, Adduct

only on digits 2, 3 and 5