Hand Muscles Flashcards
1
Q
Thenar Muscles
A
- Abductor pollicis Brevis
- flexor polliicis Brevis
- opponens pollicis
2
Q
Abductor pollicis brevis AI
A
A: abducts the thumb
I: Median nerve & Ulnar Nerve
3
Q
Flexor Pollicis Brevis AI
A
A: flexes the thumb
I: Median Nerve
4
Q
Opponens Pollicis AI
A
A: draws thumb towards the palm during opposition
I: Median Nerve
5
Q
Hypothenar Muscles
A
- Abductor digiti minimi
- flexor digiti minimi
- opponens digiti minimi
6
Q
Abductor Digiti Minimi AI
A
A: abducts the little finger
I: ulnar nerve
7
Q
Flexor digiti minimi AI
A
A: flexes the little finger
I: ulnar nerve
8
Q
Opponens digit minimi AI
A
A: draws the 5th metacarpal forward
I: ulnar
9
Q
Lumbricals AI
A
A: flex the fingers
I: 1-2 are innervated by median nerve, 3-4 are innervated by ulnar nerve
10
Q
Dorsal Interosseous Muscles Action
A
abduct the index, middle & ring fingers away from the midline
