Elbow Joint Complex Anatomy Quiz
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Questions and Answers

Which joint of the elbow complex allows for both flexion and extension movements?

  • Humerocubital joint (correct)
  • Humeroradial joint (correct)
  • Radioulnar joint
  • All of the above
  • What is the range of motion for elbow flexion in an active state?

  • 140º - 145º (correct)
  • 160º
  • 75º - 90º
  • Which muscle is primarily responsible for elbow extension?

  • Large Supinator
  • Anconeus
  • Triceps Brachii (correct)
  • Biceps Brachii
  • What does the Cozen test primarily assess?

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

    Which action is associated with the Radioulnar joint?

    <p>Supination-pronation</p> Signup and view all the answers

    In the Golfer test, what movement is evaluated?

    <p>Wrist extension and ulnar inclination</p> Signup and view all the answers

    What is the clinical significance of performing the Biceps Muscle Manual Test?

    <p>Detect potential biceps tendon injuries</p> Signup and view all the answers

    What is one of the main shoulder muscles involved in elbow flexion?

    <p>Biceps Brachii</p> Signup and view all the answers

    What is the physiological role of the Radioulnar joint in the elbow joint complex?

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

    During the Cozen test, what joint position is the elbow required to be in?

    <p>90º of flexion</p> Signup and view all the answers

    Which muscle is responsible for both elbow flexion and forearm supination?

    <p>Biceps Brachii</p> Signup and view all the answers

    What is the primary clinical significance of conducting the Triceps Dips test?

    <p>Determining triceps weakness</p> Signup and view all the answers

    What movements are evaluated during the Golfer test?

    <p>Wrist extension and ulnar inclination</p> Signup and view all the answers

    What is the maximum range of motion for elbow flexion in a passive state?

    <p>160º</p> Signup and view all the answers

    Which of the following muscles is specifically responsible for elbow extension?

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

    What outcome is assessed in the Biceps Muscle Manual Test?

    <p>Number of repetitions and strength measurement</p> Signup and view all the answers

    Study Notes

    Elbow Joint Complex: Anatomic Considerations

    • Humerocubital Joint: A throclear joint, responsible for flexion and extension
    • Humeroradial Joint: A condylar joint, allowing flexion and extension
    • Radio-ulnar Joint: A pivot joint involved in supination and pronation. This joint has a physiological valgus.

    Range of Motion

    • Flexion: Active range 140-145 degrees, Passive range 160 degrees
    • Extension: 0-45 degrees
    • Supination: 75-90 degrees
    • Pronation: 75-90 degrees

    Main Elbow Muscles

    • Biceps Brachii: Flexes and supinates the elbow
    • Triceps Brachii: Extends the elbow
    • First Radial: Flexes the elbow
    • Second Radial: Flexes the elbow
    • Large Supinator: Flexes the elbow, and supinates/pronates forearm.
    • Short Supinator: Supinates the forearm.
    • Teres Pronator: Flexes the elbow and pronates the forearm
    • Anconeus: Extends the elbow

    Tests for Elbow Function

    • Triceps Dips: Measures repetitions for 1 minute, indicating triceps weakness
    • Biceps Muscle Manual Test: Measures repetitions against resistance for biceps weakness and/or injury; strength can also be measured using a dynamometer.
    • Cozen Test: Assesses wrist extension and radial inclination for elbow pain, possibly indicating "tennis elbow"
    • Golfer Test: Assesses wrist extension and ulnar inclination for elbow pain, possibly indicating "golfer's elbow".

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    Related Documents

    Elbow Joint Complex PDF

    Description

    Test your knowledge on the anatomy and mechanics of the elbow joint complex. This quiz covers the various joints involved, range of motion, main muscles, and functional tests for the elbow. Perfect for students of anatomy or physiotherapy.

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