Question

question 1
identify the muscle indicated by the \x\ above.
○ triceps brachii
○ biceps brachii
○ deltoid
○ pectoralis major

Explanation:

The "X" marks the shoulder muscle. The deltoid is the muscle that covers the shoulder joint, matching the location of the mark. The other options are located in different areas: triceps brachii is on the back of the upper arm, biceps brachii on the front of the upper arm, and pectoralis major on the chest.

Answer:

○ Deltoid