Wrist and hand - Intrinsic hand muscles

Question 1

What 3 muscles make up the Thenar Eminence of the hand?

Answer 1

Opponens Pollicis Muscle
Flexor Pollicis Brevis Muscle
Abductor Pollicis Brevis Muscle

Question 2

What 3 muscles make up the Hypothenar Eminence of the hand?

Answer 2

Opponens Digiti Minimi Muscle
Flexor Digiti Minimi Muscle
Abductor Digiti Minimi Muscle

Question 3

What are the 3 Adductor Muscles of the hand?

Answer 3

o 3rd Palmar Interosseous Muscle
o 2nd Palmar Interosseous Muscle
o 1st Palmar Interosseous Muscle

Question 4

What are the 4 Abductor Muscles of the hand?

Answer 4

o 1st Dorsal Interosseous Muscle of Hand
o 2nd Dorsal Interosseous Muscle of Hand
o 3rd Dorsal Interosseous Muscle of Hand
o 4th Dorsal Interosseous Muscle of Hand

Question 5

What do the Lumbrical muscles of the hand do?

Answer 5

Lumbricals link flexor and extensor tendons of the hand, allows us to flex at metacarpal joints whilst extending at interphalangeal joints