1. What is the origin insertion and action of the pectoralis major
    • o-sternal end of clavicle, sternum
    • i- greater tubercle of humerous
    • a- prime mover of arm flexation, roatates arm medially adducts arm.
  2. pectoralis minor OIA
    • O-anterior surfaces of ribs 3-5
    • I-coracoid process of scapula
    • A-draws scapula forward and downward
  3. serratus anterior action
    rotates scapula inferior angle laterally and upward
  4. subscapularis OIA
    • O- subscapular fossa of scapula
    • I- lesser tubercle of humerous
    • A-rotates humerous medially
  5. coracobrachialis OIA
    • O- coracoid process of scapula
    • I- medial surface of humerous shaft
    • A- flexes and adducts humerous
  6. biceps brachii OIA
    • O- short head= coracoid process of scapula,
    • long head= supragledoid tubercle of scapula
    • I-radial tuberosity
    • A- flexes supinates forarm
  7. brachialis OIA
    • O- front of distal humerous
    • I- coronoid process of ulna and capsule of elbow joint
    • A- flexes forarm
  8. pronator teres OIA
    • O-medial epicondyle of humerus, coronoid process of ulna
    • I-midshaft lateral radius
    • A- pronates forearm
  9. Flexor carpi radialis OIA
    • O-medial epicondyle of humerus
    • I- base of the 2nd 3rd metacarpalsĀ 
    • A-flexes wrist and abducts hand
  10. palmaris longus OIA
    • O- medial epicondyle of humerus
    • I-palmar fascia of hand
    • A- tenses skin and fascia of hand
  11. flexor carpi ulnaris OIA
    • O- medial epicondyle of humerus
    • I- base of 5th metacarpal
    • A- flexor of wrist and adducts hand
  12. flexor digitorum superficialis OIA
    • O-medial epicondyle of humerus
    • I- middle phalanges of digit 2-5
    • A-flexes wrist and middle phalanges of fingers 2-5
  13. flexor digitorum profundus OIA
    • O-anterior medial surface of ulna
    • I- distal phalanges of digits 2-5
    • A-flexes digits
  14. flexor pollicis longus OIA
    • O-anterior surface of radius and interosseous membrane
    • I-distal phalanx of polex
    • A-flexes the polex
  15. pronator quadratus OIA
    • O- distal protion of anterior ulnar shaft
    • I-distal surface of radius
    • A- pronates forearm
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