Muscles of the shoulder, back, chest, arm

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Author:
Daisyh367
ID:
309638
Filename:
Muscles of the shoulder, back, chest, arm
Updated:
2015-10-14 20:55:23
Tags:
muscles
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Description:
muscles
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  1. supraspinatus
    a-abduction & lateral rotation of the humerus at the shoulder
  2. infraspinatus
    a-lateral rotation of the humerus at the shoulder
  3. teres minor
    a-lateral rotation of the humerus at the shoulder
  4. subscapularis
    a-medial rotation of humerus at the shoulder
  5. teres major
    a-adducts & rotates humerus medially
  6. latissimus dorsi
    a-extends, adducts, & rotates humerus medially
  7. deltoid
    • a-abduction of the humerus
    • o-clavicle & scapula
    • i-deltoid tuberosity of humerus
  8. pectoralis major
    • a-adduction, flexion, & medial rotation of the humerus at the shoulder
    • o-clavicle, sternum, costal cartilage
    • i-greater tubercle of the humerus
  9. pectoralis minor
    a-protracts scapula
  10. serratus anterior
    a-protracts scapula
  11. external intercostals
    a-elevate and draw ribs together for forced inhalation
  12. rhomboid major & minor
    a-adducts scapula
  13. biceps brachii
    • a-flexion of forearm at elbow, supination of forearm & flexion of arm at shoulder
    • o-scapula
    • i-radial tuberosity
  14. brachialis
    a-flexion of forearm at elbow
  15. triceps brachii
    • a-extension of forearm at elbow
    • o-long head on scapula other heads on humerus
    • i-olecranon process of the ulna
  16. brachioradialis
    • a-flexion of forearm at elbow
    • o-lateral epicondyle of humerus
    • i-styloid process of radius

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