Lab 3 part 1

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Author:
rwischnewski
ID:
289582
Filename:
Lab 3 part 1
Updated:
2014-11-18 21:44:39
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LAB 3
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LAB 3
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  1. the only place that the bones of the arm join the bones of the rest of the body is _______.
    sternoclavicular joint
  2. the most important stabilizer of the shoulder girdle is __________.
    coracoclavicular ligament
  3. list the four muscles of the rotator cuff and their actions.
    • supraspinatus-abduction
    • infraspinatus- lateral rotation 
    • teres minor- lateral rotation 
    • subscapularis- medial rotation
  4. abduction of the arm requires what two muscles?
    • deltoid 
    • supraspinatus
  5. what are the two extensors of the shoulder?
    • teres major 
    • latissimus dorsi
  6. the glenoid process is a very shallow cup for the head of the humerus. what is the advantage of this?
    increased range of motion
  7. what is the disadvantage?
    easy to dislocate

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