Anatomy of the Front Forearm Muscles

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Questions and Answers

Which muscle is the most lateral in the superficial layer of the front forearm muscles?

  • Flexor carpi ulnaris
  • Flexor carpi radialis
  • Palmaris longus
  • Pronator teres (correct)

What is the key function of Pronator teres muscle?

  • Flexion of wrist
  • Pronation of forearm
  • Extension of wrist
  • Medial to it = flexors, lateral to it = extensors (correct)

Which muscle may be absent in some individuals?

  • Flexor carpi ulnaris
  • Pronator teres
  • Flexor carpi radialis
  • Palmaris longus (correct)

Which muscle is described as having a very long tendon (3/4) and few muscle fibers (1/4)?

<p>Palmaris longus (D)</p> Signup and view all the answers

Which muscle is the most medial in the superficial layer of the front forearm muscles?

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

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Study Notes

Forearm Muscles

  • The most lateral muscle in the superficial layer of the front forearm muscles is the Brachioradialis.
  • The key function of the Pronator teres muscle is to pronate the forearm.
  • The Brachioradialis muscle may be absent in some individuals.
  • The Brachioradialis muscle has a very long tendon, making up 3/4 of its length, and few muscle fibers, making up 1/4 of its length.
  • The most medial muscle in the superficial layer of the front forearm muscles is the Pronator teres.

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