Muscles of Hand

Question 1

Thenar Muscles

Answer 1

1. Opponens pollicis (median nerve)
2. Abductor pollicis brevis (median nerve)
3. Flexor pollicis brevis (median nerve)

Question 2

Hypothenar Muscles

Answer 2

1. Opponens digiti minimi (ulnar nerve)
2. Abductee digiti minimi (ulnar nerve)
3. Flexor digiti minimi brevis (ulnar nerve)

Question 3

Intermediate group

Answer 3

1. Adductor pollicis (ulnar nerve)

Question 4

Lumbricals

Answer 4

1. Short muscles of hand
2. Located in central compartment with long flexor tendons

Flex the fingers at metacarpophalangeal joints & extend the interphalangeal joints

Question 5

Interossei

Answer 5

Located between metacarpals

Palmer interosseous muscles adduct the fingers (PAD)

Dorsal interosseous muscles abduct the fingers (DAB)