Use Figure 10- 1 to answer the following questions:
-The powerful abductor muscle of the upper arm is the
A) subscapularis.
B) coracobrachialis.
C) deltoid.
D) teres major.
E) supraspinatus.

Name: Use Figure 10- 1 to answer the following questions: -The powerful abductor muscle of the upper arm is the A) subscapularis. B) coracobrachialis. C) deltoid. D) teres major. E) supraspinatus.
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Question

Use Figure 10- 1 to answer the following questions:
-The powerful abductor muscle of the upper arm is the
A) subscapularis. 
B) coracobrachialis. 
C) deltoid. 
D) teres major. 
E) supraspinatus.

Quizplus · Accepted Answer

The deltoid muscle is the primary abductor of the upper arm, responsible for lifting the arm away from the body.

Use Figure 10- 1 to Answer the Following Questions