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Appendicular Muscles

Appendicular Muscles. Pectoral Girdle and Upper Limb. A. Pectoral Girdle. 1. Trapezius. 2. Levator Scapula. 3. Rhomboids. Trapezius. 1. Levator scapula. 2. 3. Rhomboids. 4. Pectoralis Minor. 5. Pectoralis Major. 6. Deltoid (A to P). 6. Deltoid (P to A). Deltoid. 6. 4. 5.

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Appendicular Muscles

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  1. Appendicular Muscles Pectoral Girdle and Upper Limb

  2. A. Pectoral Girdle

  3. 1. Trapezius

  4. 2. Levator Scapula

  5. 3. Rhomboids

  6. Trapezius 1 Levator scapula 2 3 Rhomboids

  7. 4. Pectoralis Minor

  8. 5. Pectoralis Major

  9. 6. Deltoid (A to P)

  10. 6. Deltoid (P to A)

  11. Deltoid 6 4 5 Pectoralis minor Pectoralis major

  12. 7. Latissimus Dorsi

  13. 7. Latissimus Dorsi 7 Latissimus dorsi

  14. Rotator Cuff • Comprised, in part, of 4 muscles that stabilize the shoulder joint by limiting the range of movement of that joint • Secure the head of the humerus within the glenoid fossa • Subscapularis • Supraspinatus • Infraspinatus • Teres minor

  15. Rotator Cuff

  16. Rotator Cuff

  17. 1. Subscapularis

  18. 2. Supraspinatus

  19. 3. Infraspinatus

  20. 4. Teres Minor

  21. Teres Major Not a muscle of the rotator cuff

  22. B. Muscles of the Arm

  23. 1. Biceps Brachii

  24. 2. Brachialis

  25. 3. Triceps

  26. C. Muscles of the Forearm • Most anterior muscles cause flexion of wrist and fingers and are attached to the medial epicondyle of the humerus • Most posterior muscles cause extension of wrist and fingers and are attached to the lateral epicondyle • Lateral epicondylitis

  27. Anterior Forearm

  28. Carpal Tunnel Syndrome • Read p. 371

  29. Pronator Teres

  30. Posterior Forearm

  31. Supinator

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