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Anatomy of the Upper Limb Muscles - Lecture 24

20 Questions

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Anatomy of the Upper Limb Muscles - Lecture 24

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Questions and Answers

What action is produced by the pronator muscle?

Adduction

Abduction

Extension

Pronation (correct)

What is the name of the muscle that produces flexion of the wrist and fingers?

Flexor carpi radialis (correct)

Flexor digitorum profundus

Extensor carpi radialis longus

Pronator teres

How many muscles are there in the front of the forearm?

8 (correct)

What is the function of the Supinator muscle?

Supination of the forearm Signup and view all the answers

What is the name of the layer that contains the Flexor digitorum profundus muscle?

Deep layer Signup and view all the answers

How many muscles are there in the back of the forearm?

12 Signup and view all the answers

What is the action of the Extensor carpi radialis longus muscle?

Extension of the wrist Signup and view all the answers

What is the name of the muscle that produces flexion of the thumb?

Flexor pollicis longus Signup and view all the answers

What is the function of the Pronator quadratus muscle?

Pronation of the forearm Signup and view all the answers

What is the name of the muscle that produces abduction of the wrist?

Abductor pollicis longus Signup and view all the answers

What is the action of the brachioradialis muscle?

It puts the forearm in midprone/midsupine position Signup and view all the answers

Which of the following muscles does not contain the word 'carpi' in its name?

Brachioradialis Signup and view all the answers

What is the function of the extensor retinaculum?

It keeps the long tendons of extensor muscles in position Signup and view all the answers

Which of the following muscles is responsible for abduction of the wrist joint?

Flexor carpi radialis Signup and view all the answers

What is the action of the palmar interossei muscles?

Adduction of fingers Signup and view all the answers

What is the name of the group of muscles that form the thenar eminence and move the thumb?

Thenar muscles Signup and view all the answers

How many lumbrical muscles are there in the hand?

4 Signup and view all the answers

What is the function of the flexor retinaculum and carpal bone?

It forms the carpal tunnel through which flexor tendons pass Signup and view all the answers

Which of the following muscles is responsible for supination of the forearm?

Supinator Signup and view all the answers

What is the action of the dorsal interossei muscles?

Abduction of fingers Signup and view all the answers