Multiple Choice
Which muscles of the respiratory system are located between the ribs?
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9. Muscle Tissue
Introduction to Muscles and Muscle Tissue
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following muscles is not a rotator cuff muscle?
A
Teres minor
B
Biceps brachii
C
Supraspinatus
D
Infraspinatus
Verified step by step guidance1
Understand the rotator cuff: The rotator cuff is a group of muscles and their tendons that act to stabilize the shoulder. It includes four muscles: supraspinatus, infraspinatus, teres minor, and subscapularis.
Identify the muscles listed in the problem: The problem lists teres minor, biceps brachii, supraspinatus, and infraspinatus.
Compare each muscle to the rotator cuff group: Check if each muscle is part of the rotator cuff. Teres minor, supraspinatus, and infraspinatus are part of the rotator cuff.
Consider the biceps brachii: The biceps brachii is a muscle of the upper arm that is not part of the rotator cuff. It primarily functions in flexion of the elbow and supination of the forearm.
Conclude which muscle is not a rotator cuff muscle: Based on the comparison, the biceps brachii is not a rotator cuff muscle.
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