Shoulder Complex Trivia Quiz

30 Questions | Total Attempts: 165

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Exercise Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which of the following statements is true regarding upward rotation of the scapula?
    • A. 

      Occurs as a natural component of shoulder extension

    • B. 

      Occurs as a natural component of raising one's arm overhead

    • C. 

      Occurs primarily through activation of the teres major and teres minor muscles

    • D. 

      Results in the inferior tip of the scapula pointing medially

  • 2. 
    Which of the following statements is true regarding the glenohumeral joint? Check all that apply.
    • A. 

      The glenohumeral joint has a ball-and-socket joint structure

    • B. 

      The glenohumeral joint allows motion in all three planes

    • C. 

      The glenohumeral joint is formed by the greater tubercle articulating with the distal clavicle

  • 3. 
    Which of the following joints is a saddle joint?
    • A. 

      Glenohumeral

    • B. 

      Sternoclavicular

    • C. 

      Acromioclavicular

    • D. 

      Scapulothoracic

  • 4. 
    Without upward rotation of the scapula, full shoulder abduction would be limited to approximately:
    • A. 

      60 degrees

    • B. 

      80 degrees

    • C. 

      120 degrees

    • D. 

      170 degrees

  • 5. 
    The acromion is a structure associated with which bone?
    • A. 

      Humerus

    • B. 

      Scapula

    • C. 

      Clavicle

    • D. 

      Sternum

  • 6. 
    A muscle that performs shoulder flexion:
    • A. 

      Must have a line of pull anterior to the medial-lateral axis of rotation of the shoulder

    • B. 

      Must course posterior to the medial-lateral axis of rotation of the shoulder

    • C. 

      Must also extend the elbow

    • D. 

      Is likely innervated by the radial nerve

  • 7. 
    Which of the following best describes the scapulohumeral rhythm?
    • A. 

      For every 3 degrees of scapular upward rotation, 1 degree of glenohumeral adduction must occur.

    • B. 

      For ever 2 degrees of glenohumeral flexion or abduction, 1 degree of scapular upward rotation must occur.

    • C. 

      The scapulohumeral rhythm only occurs during passive flexion and extension motions of the shoulder

    • D. 

      Protraction of the scapula must be accompanied by horizontal abduction of the humerus

  • 8. 
    Which of the following muscles is NOT part of the force-couple that produces upward rotation of the scapula?
    • A. 

      Serratus anterior

    • B. 

      Upper trapezius

    • C. 

      Rhomboids

    • D. 

      Lower trapezius

  • 9. 
    Which of the following muscles does not attach to the humerus (proximally or distally)?
    • A. 

      Teres minor

    • B. 

      Anterior deltoid

    • C. 

      Serratus anterior

    • D. 

      Subscapularis

  • 10. 
    Which of the following muscles if NOT part of the rotator cuff?
    • A. 

      Supraspinatus

    • B. 

      Teres minor

    • C. 

      Infraspinatus

    • D. 

      Upper trapezius

  • 11. 
    Winging of the scapula is indicative of:
    • A. 

      Anterior deltoid weakness

    • B. 

      Posterior deltoid weakness

    • C. 

      Serratus anterior weakness

    • D. 

      Teres major and latissimus dorsi weakness

  • 12. 
    Which of the following statements is true regarding shoulder depression? Check all that apply
    • A. 

      Incorporates scapulothoracic depression and glenohumeral depression

    • B. 

      Can be used in a closed-chain to elevate the trunk

    • C. 

      Relies mostly on the combined action of the upper and middle trapezius muscles

  • 13. 
    Which of the following statements is true regarding the deltoid muscles?
    • A. 

      The anterior deltoid performs shoulder flexion

    • B. 

      The posterior deltoid perform shoulder extension

    • C. 

      All heads of the deltoid are innervated by the axillary nerve

    • D. 

      All of the above

  • 14. 
    What is the common similarity among the latissimus dorsi, posterior deltoid, and long head of the triceps?
    • A. 

      All three of these muscles attach to the humerus

    • B. 

      All three of these muscles are strong internal rotators of the shoulder

    • C. 

      All three of these muscles are innervated by the radial nerve

    • D. 

      All three of these muscles can extend the shoulder

  • 15. 
    Which of the following describes the common function of the rotator cuff muscles?
    • A. 

      All four muscles perform internal rotation of the shoulder

    • B. 

      All four muscles help to stabilize the humeral head within the glenoid fossa

    • C. 

      All four muscles produce a force-couple that upwardly rotates the scapula

    • D. 

      All four muscles prevent excessive external rotation of the glenohumeral joint

  • 16. 
    If the shoulder is abducted to 150 degrees, according to the scapulohumeral rhythm, how much upward rotation of the scapula has occurred?
    • A. 

      50 degrees

    • B. 

      100 degrees

    • C. 

      120 degrees

    • D. 

      25 to 30 degrees

  • 17. 
    Impingement can best be described as:
    • A. 

      Reduced activation of the internal rotators of the shoulder

    • B. 

      A superior migration of the humerus resulting in the humeral head colliding with the acromion

    • C. 

      The combined actions of scapular depression and glenouhumeral protraction

    • D. 

      Complete rupture of the acromioclavicular and coracoclavicular ligaments

  • 18. 
    Performing abduction in the scapular plane helps avoid impingement because:
    • A. 

      The teres minor and teres major are put on slack

    • B. 

      The greater tuberosity is positioned under the highest point of the acromion

    • C. 

      The scapula becomes fixed to the medial aspect of the posterior thorax

    • D. 

      The subscapularis becomes an external rotator of the shoulder in this position

  • 19. 
    Which of the following muscles is NOT an internal rotator of the shoulder?
    • A. 

      Pectoralis major

    • B. 

      Latissimus dorsi

    • C. 

      Infraspinatus

    • D. 

      Teres major

  • 20. 
    Which of the following statements is true regarding external rotation of the shoulder? Check all that apply.
    • A. 

      Occurs in frontal plane

    • B. 

      Occurs about a longitudinal axis of rotation

    • C. 

      Performed by two of the four rotator cuff muscles

  • 21. 
    The serratus anterior is a primary upward rotator of the scapula.
    • A. 

      True

    • B. 

      False

  • 22. 
    A muscle that performs glenohumeral abduction must have a line of pull superior to the anterior-posterior axis of rotation.
    • A. 

      True

    • B. 

      False

  • 23. 
    The shoulder complex is equipped with more external rotators than internal rotator muscles.
    • A. 

      True

    • B. 

      False

  • 24. 
    During abduction of the shoulder, the arthrokinematic roll and slide occur in the same direction.
    • A. 

      True

    • B. 

      False

  • 25. 
    The latissimus dorsi and lower trapezius often work together to depress the entire shoulder.
    • A. 

      True

    • B. 

      False