Which are eccentric functions of the pectoralis major?
A) restrains/slows lateral rotation and extension of the arm at the glenohumeral joint
B) restrains/slows medial rotation and extension of the arm at the glenohumeral joint
C) restrains/slows medial rotation and flexion of the arm at the glenohumeral joint
D) restrains/slows extension of the forearm at the elbow joint and extension of the hand at the wrist joint
Correct Answer:
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Q23: Which is an action of the deltoid?
A)flexion
Q24: What nerve innervates the deltoid?
A)axillary nerve
B)lower subscapular
Q25: Which are the four rotator cuff muscles?
A)subscapularis,teres
Q26: What nerve(s)innervates the supraspinatus?
A)axillary nerve
B)suprascapular nerve
C)sciatic nerve
D)upper
Q27: Which are actions of the latissimus dorsi
Q29: What nerve innervates the teres minor?
A)axillary nerve
B)suprascapular
Q30: Which are actions of the coracobrachialis?
A)abduction and
Q31: What provides innervation for the pectoralis major?
A)intercostal
Q32: Which are actions of the pectoralis major?
A)medial
Q33: What nerve(s)innervates the infraspinatus?
A)axillary nerve
B)suprascapular nerve
C)sciatic nerve
D)upper
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