Forearm & Hand Actions

Question 1

Forearm Pronation

Answer 1

1. Pronator Quadratus
2. Pronator Teres

Question 2

Forearm Supination

Answer 2

1. Supinator
2. Biceps Brachii

Question 3

Wrist Extension

Answer 3

1. Extensor Carpi Radialis Longus
2. Extensor Carpi Radialis Brevis
3. Extensor Carpi Ulnaris

Synergists:
1. Extensor Digitorum
2. Extensor Indicis
3. Extensor Digiti Minimi

Question 4

Wrist Flexion

Answer 4

1. Flexor Carpi Radialis
2. Flexor Carpi Ulnaris
3. Palmaris Longus
4. Flexor Digitorum Superficialis

Synergist:
1. Flexor Digitorum Profundus

Question 5

Radial Deviation

Answer 5

1. Extensor Carpi Radialis Longus
2. Extensor Carpi Radialis Brevis
3. Flexor Carpi Radialis

Synergists:
1. Abductor Pollicis Longus
2. Extensor Pollicis Brevis

Question 6

Ulnar Deviation

Answer 6

1. Extensor Carpi Ulnaris
2. Flexor Carpi Ulnaris

Question 7

MCP Extension

Answer 7

1. Extensor Digitorum
2. Extensor Indicis
3. Extensor Digiti Minimi
4. Lumbricals
5. Dorsal Interossei
6. Palmar Interossei

Question 8

MCP Flexion

Answer 8

1. Flexor Digitorum Superficialis
2. Flexor Digitorum Profundus
3. Flexor Digiti Minimi Brevis
4. Lumbricals
5. Dorsal Interossei
6. Palmar Interossei

Question 9

Thumb Extension

Answer 9

1. Extensor Pollicis Longus
2. Extensor Pollicis Brevis
3. Abductor Pollicis Longus

Question 10

Thumb Flexion

Answer 10

1. Flexor Pollicis Longus
2. Flexor Pollicis Brevis