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?

  • 12
  • 10
  • 8 (correct)
  • 6

What is the function of the Supinator muscle?

<p>Supination of the forearm (D)</p> Signup and view all the answers

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

<p>Deep layer (A)</p> Signup and view all the answers

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

<p>12 (A)</p> Signup and view all the answers

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

<p>Extension of the wrist (B)</p> Signup and view all the answers

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

<p>Flexor pollicis longus (A)</p> Signup and view all the answers

What is the function of the Pronator quadratus muscle?

<p>Pronation of the forearm (C)</p> Signup and view all the answers

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

<p>Abductor pollicis longus (A)</p> Signup and view all the answers

What is the action of the brachioradialis muscle?

<p>It puts the forearm in midprone/midsupine position (B)</p> Signup and view all the answers

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

<p>Brachioradialis (C)</p> Signup and view all the answers

What is the function of the extensor retinaculum?

<p>It keeps the long tendons of extensor muscles in position (D)</p> Signup and view all the answers

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

<p>Flexor carpi radialis (C)</p> Signup and view all the answers

What is the action of the palmar interossei muscles?

<p>Adduction of fingers (C)</p> Signup and view all the answers

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

<p>Thenar muscles (B)</p> Signup and view all the answers

How many lumbrical muscles are there in the hand?

<p>4 (B)</p> Signup and view all the answers

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

<p>It forms the carpal tunnel through which flexor tendons pass (D)</p> Signup and view all the answers

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

<p>Supinator (B)</p> Signup and view all the answers

What is the action of the dorsal interossei muscles?

<p>Abduction of fingers (A)</p> Signup and view all the answers

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