5. Correctly identify both intact and transected (cut) muscles depicted in the illustration, using the key given at the right. Key: a. biceps brachii (cut) b. deltoid c. external intercostals d. external oblique e. internal oblique f. pectoralis major g. pectoralis minor h. rectus abdominis i. serratus anterior j. trapezius Using the key provided in question 5 above, identify the major muscles described below. 1. a major flexor of the vertebral column 2. prime mover for forearm flexion 3. prime mover for arm flexion 4. assume major responsibility for forming the abdominal wall (three pairs of muscles) 5. prime mover of arm abduction 6. with ribs fixed, pulls scapula forward and downward 7. moves the scapula forward and rotates scap upward 8. small, inspiratory muscles between the ribs; elevate the rib cage 9. extends the head

Text: Review Sheet 13 231 Muscles of the Trunk 5. Correctly identify both intact and (Not all terms will be used.) Core (cut) muscles depicted in the diagram, using the key given at the right Sternum Key biceps brachii brachialis deltoid (cut) external intercostals Bun external oblique internal oblique latissimus dorsi pectoralis major pectoralis minor rectus abdominis rhomboids serratus anterior m. subscapularis n. transversus abdominis trapezius 8. Using the key provided in question 5 above, identify the major muscles described below. 1. a major flexor of the vertebral column 6. important in arm adduction antagonists of the arm abductor (two muscles) 2. prime mover for arm extension 3. prime mover for arm flexion 7. moves the scapula forward and rotates scapula upward 4. assume major responsibility for forming the abdominal girdle (three pairs of muscles) 8. small, inspiratory muscles between the ribs elevate the rib cage 9. extends the head 5. prime mover of arm abduction 10. pull the scapulae medially

Sri K.

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