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Chapter 11, part 3

Chapter 11, part 3. The Muscular System. SECTION 11-4 The Appendicular Muscles. Muscles of the shoulders and upper arms. Trapezius muscles Affect the position of the shoulder girdle, head and neck Muscles inserting on the scapula Rhomboid muscles Levator scapulae muscles

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Chapter 11, part 3

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  1. Chapter 11, part 3 The Muscular System

  2. SECTION 11-4The Appendicular Muscles

  3. Muscles of the shoulders and upper arms • Trapezius muscles • Affect the position of the shoulder girdle, head and neck • Muscles inserting on the scapula • Rhomboid muscles • Levator scapulae muscles • Serratus anterior muscles • Subclavius muscles • Pectoralis minor muscles

  4. Figure 11.13 An Overview of the Appendicular Muscles of the Trunk Figure 11.13a

  5. Figure 11.13 An Overview of the Appendicular Muscles of the Trunk Figure 11.13b

  6. Figure 11.14 Muscles that Position the Pectoral Girdle Figure 11.14a

  7. Figure 11.14 Muscles that Position the Pectoral Girdle Figure 11.14b

  8. Shoulder muscles • Adductors • Deltoid muscles • Supraspinatus muscles • Medial rotators • Subscapularis muscles • Teres major muscles • Lateral rotation • Infraspinatus muscles • Teres minor muscles

  9. Figure 11.15 Muscles that Move the Arm Figure 11.15a

  10. Figure 11.15 Muscles that Move the Arm Figure 11.15b

  11. More shoulder movements • Flexion and adduction • Coracobrachialis • Flexion of the shoulder joint • Pectoralis major muscles • Extension of the shoulder joint • Latissimus dorsi muscles

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