Median, Ulnar and Radian Nerve Innervations

Question 1

The median nerve innervates the:

Answer 1

1. pronator teres
2. Flexor Carpi Radialis
3. palmaris longus
4. flexor digitorum superficial
5. 1/2 FDP
6. FPL
   7.Pronator quadratus
7. LOAF -
   - 1/2 of lumbricals
   - opponens pollicis
   - abductor pollicus brevis
   - flexor pollicis brevis (superficial head)

Question 2

The anterior interosseus nerve (deep branch of median nerve) only innervates:

Answer 2

1/2 FDP
FPL
Pronator Quadratus

Question 3

The ulnar nerve innervates:

Answer 3

1. FCU
2. 1/2 flexor digitorum profundus
3. opponens digiti minimi
4. abductor digiti minimi
5. flexor digiti minimi
6. 1/2 of lumbricals
7. interossei
8. adductor pollicis
9. flexor pollicis brevis (deep portion)

Question 3

The ulnar nerve innervates:

Answer 3

1. FCU
2. 1/2 flexor digitorum profundus
3. opponens digiti minimi
4. abductor digiti minimi
5. flexor digiti minimi
6. 1/2 of lumbricals
7. interossei
8. adductor pollicis
9. flexor pollicis brevis (deep portion)

Question 4

The radial nerve innervates:

Answer 4

1. Triceps
2. Anconeus
3. Brachioradialis
4. ECRL
5. ECRB
6. Supinator
7. Extensor digitorum
8. Extensor digiti minimi
9. extensor carpi ulnaris
10. abductor pollicis longus
11. extensor pollicis brevis
12. extensor pollicis longus 13. extensor indicis

Question 5

The posterior interosseus nerve, the deep branch of the radial nerve, innervates:

Answer 5

1. extensor digitorum
2. extensor digiti minimi
3. extensor carpi ulnaris
4. abductor pollicis longus
5. extensor pollicis brevis
6. extensor pollicis longus
7. extensor indices