Anatomy of the Forearm
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which muscle originates from the medial epicondyle of the humerus and coronoid process of ulna?

  • Flexor carpi radialis
  • Flexor digitorum profundus
  • Flexor digitorum superficialis (correct)
  • Pronator teres
  • What is the primary action of the flexor digitorum superficialis muscle?

  • Abducts the thumb
  • Extends the wrist and fingers
  • Rotates the forearm
  • Flexes the metacarpophalangeal and proximal interphalangeal joints (correct)
  • Which nerve supplies all the muscles in the anterior fascial compartment, except for two?

  • Radial nerve
  • Median nerve (correct)
  • Brachial nerve
  • Ulnar nerve
  • What is the larger of the two terminal branches of the brachial artery?

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

    Where does the ulnar artery end?

    <p>Superficial palmar arch</p> Signup and view all the answers

    What is the common origin of the superficial group of flexor muscles?

    <p>Common flexor tendon</p> Signup and view all the answers

    What is the segment of the upper limb that extends between the elbow and the wrist joint?

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

    What is the lateral bone in the forearm?

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

    What is the function of the interosseous membrane?

    <p>To unite the shafts of the radius and ulna</p> Signup and view all the answers

    What divides the forearm into compartments?

    <p>Deep fascia, interosseous membrane, and intermuscular septa</p> Signup and view all the answers

    Where does the cephalic vein originate from?

    <p>Radial side of the dorsal venous arch of the hand</p> Signup and view all the answers

    How many compartments does the forearm have?

    <p>3</p> Signup and view all the answers

    What is the location of the radial artery in the distal part of the forearm?

    <p>On the anterior surface of the radius</p> Signup and view all the answers

    What is the relationship between the radial artery and the tendon of brachioradialis in the distal part of the forearm?

    <p>The radial artery lies lateral to the tendon of brachioradialis</p> Signup and view all the answers

    What is the route of the radial artery after it leaves the forearm?

    <p>It passes between the 1st and 2nd metacarpals</p> Signup and view all the answers

    What is the origin of the superficial palmar branch of the radial artery?

    <p>Just above the wrist</p> Signup and view all the answers

    What is the relationship between the superficial palmar branch of the radial artery and the ulnar artery?

    <p>They frequently join to form the superficial palmar arch</p> Signup and view all the answers

    At which level does the radial artery begin?

    <p>At the level of the neck of the radius</p> Signup and view all the answers

    Where does the Palmar Cutaneous Branch of Median Nerve arise?

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

    Which muscle does the Ulnar Nerve run between in the forearm?

    <p>Flexor carpi ulnaris and flexor digitorum profundus</p> Signup and view all the answers

    Where does the Ulnar Nerve enter the palm?

    <p>By passing superficial to the flexor retinaculum</p> Signup and view all the answers

    What is the relationship between the Ulnar Nerve and the ulnar artery at the wrist?

    <p>The Ulnar Nerve lies medial to the ulnar artery</p> Signup and view all the answers

    What type of branches does the Ulnar Nerve have?

    <p>Muscular, articular, and cutaneous branches</p> Signup and view all the answers

    What is the name of the cutaneous branch that supplies the skin over the lateral part of the palm?

    <p>Palmar cutaneous branch</p> Signup and view all the answers

    What is the function of the palmar cutaneous branch?

    <p>Supplies the skin over the hypothenar eminence</p> Signup and view all the answers

    Which muscles are found in the superficial group of the posterior fascial compartment?

    <p>Extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, and extensor carpi ulnaris</p> Signup and view all the answers

    What is the common origin of the superficial extensor muscles?

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

    What is the result of partial tearing or degeneration of the origin of the superficial extensor muscles?

    <p>Tennis elbow</p> Signup and view all the answers

    What is the branch of the radial nerve that passes deep in the substance of the supinator muscle?

    <p>Deep branch of the radial nerve</p> Signup and view all the answers

    What is the blood supply to the posterior fascial compartment?

    <p>Posterior interosseous artery</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser