A&P Lab, Final Exam, Exercise 21

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trulyabaker
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55126
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A&P Lab, Final Exam, Exercise 21
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2010-12-11 22:21:08
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Lab FinalExam Exercise21
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Questions to know from this module...
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  1. What is the action of the brachialis muscle?
    flexes the forearm at the elbow
  2. What is the action of the coracobrachialis muscle?
    flexes and adducts arm at the shoulder along with pectoralis major
  3. What is the action of the deltoid muscle?
    abducts arm
  4. What is the action of the extensor carpi ulnaris muscle?
    extends and adducts hand at the wrist
  5. What is the action of the flexor carpi ulnaris muscle?
    flexes and adducts hand at wrist
  6. What is the action of the infraspinatus muscle?
    rotates arm laterally
  7. What is the action of the pectoralis major muscle?
    pulls arm forward (flexion) and across chest (adduction) and rotates arm medially
  8. What is the action of the pectoralis minor muscle?
    raises ribs in forceful inhalation or pulls scapula forward and downward
  9. What is the action of the rhomboid major muscle?
    raises and adducts scapula
  10. What is the action of the serratus anterior muscle?
    used to thrust shoulder anteriorly (protraction), as when pushing something
  11. What is the action of the teres major muscle?
    extends, adducts, and rotates arm medially
  12. What is the action of the triceps brachii muscle?
    extends, adducts, and rotates arm medially
  13. What is the origin and insertion of the rhomboid muscle?
    origin: spines of upper thoracic vertebrae

    insertion: medial border of scapula
  14. What is the origin and insertion of the serratus anterior muscle?
    origin: outer surfaces of upper ribs

    insertion: ventral surface of scapula
  15. What is the origin and insertion of the pectoralis minor muscle?
    origin: sternal ends of upper ribs

    insertion: coracoid process of scapula
  16. What is the origin and insertion of the coracobrachialis muscle?
    origin: coracoid process of scapula

    insertion: shaft of humerus
  17. What is the origin and insertion of the teres major muscle?
    origin: lateral border of scapula

    insertion: intertubercular groove of humerus
  18. What is the origin and insertion of the subscapularis muscle?
    origin: anterior surface of scapula

    insertion: lesser tubercle of humerus
  19. What is the origin and insertion of the teres minor muscle?
    origin: lateral border of scapula

    insertion: greater tubercle of humerus
  20. What is the origin and insertion of the brachialis muscle?
    origin: anterior shaft of humerus

    insertion: coronoid process of ulna
  21. What is the origin and insertion of the pronator teres muscle?
    origin: medial epicondyle of humerus and coronoid process of ulna

    insertion: lateral surface of radius
  22. What is the origin and insertion of the brachioradialis muscle?
    origin: distal lateral end of humerus

    insertion: lateral surface of radius above
  23. What is the origin and insertion of the flexor carpi radialis muscle?
    origin: medial epicondyle of humerus

    insertion: base of second and third metacarpals
  24. What is the origin and insertion of the palmoris longus muscle?
    origin: medial epicondyle of humerus

    insertion: fascia of palm

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