Upper Extremity JM1

  1. What is the name of the joint formed by the scapula and the posterior thoracic wall?
    scapulothoracic joint (not a true joint)
  2. List all the possible movements of the scapulothoracic joint.
    • Elevation/Depression
    • Protraction/Retraction
    • Upward Rotation/Downward Rotation
  3. What muscles produce Elevation at the scapulothoracic joint?
    • Upper trapezius fibers (unilaterally)
    • Rhomboid major & minor
    • Levator scapula (unilaterally)
  4. What muscles produce Depression at the scapulothoracic joint?
    • Lower trapezius fibers
    • Serratus anterior (w/origin fixed)
    • Pectoralis minor
  5. What muscles produce Protraction at the scapulothoracic joint?
    • Serratus anterior (w/origin fixed)
    • Pectoralis minor
  6. What muscles produce Retraction at the scapulothoracic joint?
    • Middle trapezius
    • Rhomboid major & minor
  7. What muscles produce Upward Rotation at the scapulothoracic joint?
    • Upper & lower trapezius (unilaterally)
    • Serratus anterior (w/origin fixed)
  8. What muscles produce Downward Rotation at the scapulothoracic joint?
    • Rhomboid major & minor
    • Levator scapula (unilaterally)
    • Pectoralis minor
  9. What is the scientific name for the shoulder joint?
    Glenohumeral joint
  10. List all the possible movements of the Glenohumeral joint.
    • Flexion/Extension
    • Abduction/Adduction
    • Horizontal Abduction/Adduction
    • Medial/Lateral Rotation
  11. What muscles produce Flexion at the glenohumeral joint?
    • Anterior deltoid
    • Upper pectoralis major
    • Biceps brachii
    • Coracobrachialis
  12. What muscles produce Extension at the glenohumeral joint?
    • Posterior deltoid
    • Latissimus dorsi
    • Teres major
    • Lower pectoralis major
    • Long head triceps brachii
  13. What muscles produce Abduction at the glenohumeral joint?
    • Deltoid (all fibers)
    • Supraspinatus
  14. What muscles produce Adduction at the glenohumeral joint?
    • Latissimus dorsi
    • Teres major
    • Infraspinatus
    • Teres minor
    • Pectoralis major (all fibers)
    • Long head triceps brachii
    • Coracobrachialis
  15. What muscles produce Horizontal Abduction at the glenohumeral joint?
    Posterior deltoid
  16. What muscles produce Horizontal Adduction at the glenohumeral joint?
    • Anterior deltoid
    • Upper pectoralis major
  17. What muscles produce Medial Rotation at the glenohumeral joint?
    • Anterior deltoid
    • Latissimus dorsi
    • Teres major
    • Subscapularis
    • Pectoralis major (all fibers)
  18. What muscles produce Lateral Rotation at the glenohumeral joint?
    • Posterior deltoid
    • Infraspinatus
    • Teres minor
Author
Darkwater
ID
363297
Card Set
Upper Extremity JM1
Description
Joint movements for the scapula and shoulder.
Updated