Muscles of the upper limb- Muscles acting on the wrist and fingers

Question 1

what is the action of the flexor carpi radialis? (2)

Answer 1

wrist flexion

wrist radial deviation

Question 2

what is the action of the carpi ulnaris? (2)

Answer 2

• wrist flexion

- wrist ulnar deviation

Question 3

What is the action of the flexor digitorum superficials (2)

Answer 3

• wrist flexion

- finger flexion at the MCP, PIP

Question 4

What is the action of the flexor digitorum profundus (2)

Answer 4

• wrist flexion

- finger flexion at the MCP, PIP, DIP

Question 5

What is the action of the palmaris longus

Answer 5

wrist flexion

Question 6

what is the action of the extensor carpi radialis longus (2)

Answer 6

• wrist extension

- wrist radial deviation

Question 7

what is the action of the extensor carpis radilais brevis (2)

Answer 7

• wrist extension

- wrist radial deviation

Question 8

what is the action of the extensor carpis ulnaris (2)

Answer 8

• wrist extension,

- wrist ulnar deviation

Question 9

what is the action of the extensor digitorum (2)

Answer 9

• wrist extension

- finger extension

Question 10

what muscles are involved in wrist flexion ? (5)

Answer 10

• flexor carpi radialis
• flexor carpi ulnaris
• flexor digitorum superficials
• flexor digitorum profundus
• palmaris longus

Question 11

what muscles are involved in wrist extension

Answer 11

-extensor carpi radialis longus
- extensor carpis radialis brevis
- extensor carpis ulnaris
extensor digitorum