Quiz 6

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  1. pectoralis major
    origin-medial half of clavicle, sternum, costal cartilages of ribs 1-6

    insertion-lateral lip of intertubercular groove on humerus

  2. pectoralis minor
    o-external surfaces of ribs 3-5

    i-coracoid process of scapula

    a-depression and inferior rotation of scapula
  3. serratus anterior
    o-external surfaces of ribs 1-8

    i-medial border of scapula

    a- protraction and superior rotation of scapula
  4. latissimus dorsi
    o-spinous process of vertebrae T6-T12, thoracolumbar fascia, iliac crest, inferior 3 ribs

    i-intertubercular groove of humerus

  5. trapezius
    o-posterior surface of occipital bone, ligamentum nuchae, spinous process of thoracic vertebrae

    i-lateral third of clavicle, acromion process, spine of scapula

    • a-
    • superior fibers: elevate scapula
    • middle fibers-retract scapula
    • inferior fibers-depress scapula
  6. deltoid
    o-lateral third of clavicle, acromion process, spine of scapula

    i-deltoid tuberosity of humerus

    • a-
    • anterior fibers-medial rotation and flexion of arm
    • middle fibers-abduction of arm
    • posterior fibers-lateral rotation and extension of arm
  7. rhomboid minor
    o-ligamentum nuchae, spinous processes of vertebrae C7 and T1

    i-medial border of scapula

    a-elevates scapula
  8. teres major
    o-scapula, near inferior angle

    i-medial lip of intertubercular groove

  9. supraspinatus
    o-supraspinous fossa of scapula

    i-greater tubercle of humerus

    a-abduction of arm
  10. infraspinatus
    o-infraspinous fossa of scapula

    i-greater tubercle of humerus

    a-lateral rotation of arm
  11. teres minor
    o-lateral border of scapula

    i-greater tubercle of humerus

    a-lateral rotation of arm
  12. subscapularis
    o-subscapular fossa of scapula

    i-lessser tubercle of humerus

    a-abduction and medial rotation of arm
  13. biceps brachii
    • o-
    • long head: superior margin of glenoid fossa of scapula
    • short head:coracoid process of scapula

    i-radial tuberosity of radius, fascia of medial forearm via bicipital aponeurosis

    a-flexion n supination of forearm, flexion of arm
  14. brachialis
    o-anterior surface of humerus

    i-coranoid process of ulna

    a-flexion of forearm
  15. coracobrachialis
    o-coracoid process of scapula

    i-medial surface of humerus

    a-flexion and abduction of arm
  16. triceps brachii
    • o-
    • long head: inferior margin of glenoid fossa of scapula
    • lateral head: posterior surface of humerus
    • medial head: posterior surface of humerus, inferior to origin of lateral head

    i-olecranon process of ulna

    a-extension of forearm
  17. pronator teres
    o-medial epicondyle of humerus, coronoid process of ulna

    i-lateral surface of radius

    a-pronation n flexion of da forearm
  18. flexor carpi radialis
    o-medial epicondyle of humerus

    i-base of metacarpal of da second digit

    a-flexion and abduction of da wrist
  19. palmaris longus
    o-medial epicondyle of humerus

    i-flexor retinaculum, palmar aponeurosis

    a-flexion of wrist
  20. flexor carpi ulnaris
    o-medial epicondyle of humerus, olecranon process of radius

    i-medial carpal bones, metacarpal of fifth digit

    a-flexion n abduction of da wrist
  21. flexor pollicis longus
    o-anterior surface of radius, interosseous membrane

    i-distal phalanx of thumb

    a-flexion of da wrist and da thumb
  22. brachioradialis
    o-lateral supracondylar ridge of humerus

    i-lateral surface of distal radius

    a-flexion of forearm
  23. extensor carpi radialis longus
    o-lateral supracondylar ridge of humerus

    i-metacarpal of da second digit

    a-extension n abduction of da wrist
  24. extensor carpi radialis brevis
    o-lateral epicondyle of humerus

    i-metacarpal of third digit

    a-extension and abduction of the wrist
  25. extensor digitorum
    o-lateral epicondyle of humerus

    i-extensor expansions of medual four digits

    a-extension of wrist and fingers
  26. extensor carpi ulnaris
    o-lateral epicondyle of humerus, posterior surface of ulna

    i-metacarpal of the fifth digit

    a-extension and adduction of da wrist
  27. anconeus
    o-lateral epicondyle of humerus

    i-olecranon process of ulna

    a-very weak extension of da forearm
  28. supinator
    o-lateral epicondyle of humerus, proximal ulna

    i-posterior, lateral, and anterior surfaces of proximal radius

    a-supination of da forearm
  29. abductor pollicis longus
    o-posterior surfaces of radius and ulna, interosseous membrane

    i-metacarpal of thumb

    a-abducts and extends thumb
  30. tibialis anterior
    o-lateral condyle and lateral surface of tibia, interosseous

    i-medial cuneiform bone and first metatarsal

    a-dorsiflexion and inversion of da foot
  31. extensor digitorum longus
    o-lateral condyle of tibia, medial surface of fibula, interosseous membrane

    i-middle and distal phalanges of digits 2-5

    a-dorsiflexion of da foot, extension of da toes
  32. peroneus longus
    o-head and lateral suface of fibula

    i-first metatarsal and medial cuneiform

    a-eversion of da foot
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Quiz 6
6-19 quiz
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