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Forearm Muscles Quiz
35 Questions
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Forearm Muscles Quiz

Created by
@BeneficentHonor6192

Questions and Answers

What is the name of the muscle referred to as Biceps Brachii Long Head?

Biceps Brachii Long Head

What is the name of the muscle referred to as Biceps Brachii Short Head?

Biceps Brachii Short Head

What action does the Biceps Brachii Long Head perform?

Flexes and supinates the elbow, long head flex weak

What is the origin of the Biceps Brachii Long Head?

<p>Supraglenoid Tubercle of scapula</p> Signup and view all the answers

What is the insertion point for the Biceps Brachii Long Head?

<p>Radial tuberosity</p> Signup and view all the answers

What action does the Biceps Brachii Short Head perform?

<p>Flexes and supinates the elbow, long head flex weak</p> Signup and view all the answers

What is the origin of the Biceps Brachii Short Head?

<p>Coracoid process of scapula</p> Signup and view all the answers

What is the insertion point for the Biceps Brachii Short Head?

<p>Radial tuberosity</p> Signup and view all the answers

What is the name of the muscle referred to as Brachialis?

<p>Brachialis</p> Signup and view all the answers

What action does the Brachialis perform?

<p>Flex at the forearm</p> Signup and view all the answers

What is the origin of the Brachialis?

<p>Anterior shaft of humerus</p> Signup and view all the answers

What is the insertion point for the Brachialis?

<p>Ulnar tuberosity</p> Signup and view all the answers

What is the name of the muscle referred to as Brachioradialis?

<p>Brachioradialis</p> Signup and view all the answers

What action does the Brachioradialis perform?

<p>Flex at the forearm, supinator, pronate to neutral hand shake</p> Signup and view all the answers

What is the origin of the Brachioradialis?

<p>Lateral epicondyle of Humerus</p> Signup and view all the answers

What is the insertion point for the Brachioradialis?

<p>Styloid process of the radius</p> Signup and view all the answers

What is the name of the muscle referred to as Triceps Brachii Lateral Head?

<p>Triceps Brachii Lateral Head</p> Signup and view all the answers

What action does the Triceps Brachii Lateral Head perform?

<p>Lateral head extension at the elbow</p> Signup and view all the answers

What is the origin of the Triceps Brachii Lateral Head?

<p>Superior lateral shaft of Humerus</p> Signup and view all the answers

What is the insertion point for the Triceps Brachii Lateral Head?

<p>Olecranon of ulna</p> Signup and view all the answers

What is the name of the muscle referred to as Triceps Brachii Long Head?

<p>Triceps Brachii Long Head</p> Signup and view all the answers

What is the origin of the Triceps Brachii Long Head?

<p>Infraglenoid tubercle</p> Signup and view all the answers

What is the insertion point for the Triceps Brachii Long Head?

<p>Olecranon of ulna</p> Signup and view all the answers

What is the name of the muscle referred to as Triceps Brachii Medial Head?

<p>Triceps Brachii Medial Head</p> Signup and view all the answers

What action does the Triceps Brachii Medial Head perform?

<p>Medial head extension at the elbow and adduct at the shoulder</p> Signup and view all the answers

What is the origin of the Triceps Brachii Medial Head?

<p>Posterior shaft of humerus inferior to radial groove</p> Signup and view all the answers

What is the insertion point for the Triceps Brachii Medial Head?

<p>Olecranon of ulna</p> Signup and view all the answers

What is the name of the muscle referred to as Anconeous?

<p>Anconeous</p> Signup and view all the answers

What action does the Anconeous perform?

<p>Extension at elbow</p> Signup and view all the answers

What is the origin of the Anconeous?

<p>Posterior, inferior surface of the lateral epicondyle of the Humerus</p> Signup and view all the answers

What is the insertion point for the Anconeous?

<p>Lateral margin on olecranon of ulna</p> Signup and view all the answers

What is the name of the muscle referred to as Supinator?

<p>Supinator</p> Signup and view all the answers

What action does the Supinator perform?

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

What is the origin of the Supinator?

<p>Lateral epicondyle of humerus, annular ligament and ridge near radial notch of ulna</p> Signup and view all the answers

What is the insertion point for the Supinator?

<p>Antelateral surface of radius, distal to radial tuberosity</p> Signup and view all the answers

Study Notes

Biceps Brachii Long Head

  • Flexes and supinates the elbow; weak flexor when long head is engaged
  • Originates from the supraglenoid tubercle of the scapula
  • Inserts at the radial tuberosity

Biceps Brachii Short Head

  • Flexes and supinates the elbow; weak flexor when long head is engaged
  • Originates from the coracoid process of the scapula
  • Inserts at the radial tuberosity

Brachialis

  • Primary action is flexion at the forearm
  • Originates from the anterior shaft of the humerus
  • Inserts at the ulnar tuberosity

Brachioradialis

  • Flexes at the forearm; also acts as a supinator and assists in returning to a neutral "handshake" position
  • Originates from the lateral epicondyle of the humerus
  • Inserts at the styloid process of the radius

Triceps Brachii Lateral Head

  • Responsible for extension at the elbow
  • Originates from the superior lateral shaft of the humerus
  • Inserts at the olecranon of the ulna

Triceps Brachii Long Head

  • Contributes to elbow extension
  • Originates from the infraglenoid tubercle of the scapula
  • Inserts at the olecranon of the ulna

Triceps Brachii Medial Head

  • Engages in elbow extension; also has a role in shoulder adduction
  • Originates from the posterior shaft of the humerus, inferior to the radial groove
  • Inserts at the olecranon of the ulna

Anconeous

  • Functions to extend the elbow
  • Originates from the posterior, inferior surface of the lateral epicondyle of the humerus
  • Inserts at the lateral margin of the olecranon on the ulna

Supinator

  • Performs supination of the forearm
  • Originates from the lateral epicondyle of the humerus, annular ligament, and ridge near the radial notch of the ulna
  • Inserts at the anterolateral surface of the radius, distal to the radial tuberosity

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Description

Test your knowledge on forearm muscles with this flashcard quiz. Each card focuses on a specific muscle, highlighting its actions, origins, and insertions. Perfect for anatomy students or anyone interested in muscular anatomy.

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