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Anatomy and Function of Muscles in Shoulder Movement Quiz

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Which muscle is primarily responsible for shoulder abduction?

Deltoid

Explanation

Deltoid primarily moves the arm away from the body.

Which muscle stabilizes the shoulder joint during arm movements?

Rotator cuff muscles

Explanation

Rotator cuff muscles provide stability during arm movements.

Which muscle is involved in both shoulder flexion and horizontal adduction?

Pectoralis major

Explanation

Pectoralis major assists in moving the arm forward and across the body.

Which muscle helps in external rotation of the shoulder?

Infraspinatus

Explanation

Infraspinatus aids in rotating the arm outward.

Which muscle is responsible for internal rotation of the shoulder?

Subscapularis

Explanation

Subscapularis rotates the arm inward.

Which muscle is involved in both shoulder abduction and lateral rotation?

Deltoid

Explanation

Deltoid moves the arm away from the body and rotates it outward.

Which muscle acts as the primary shoulder flexor?

Biceps brachii

Explanation

Biceps brachii is the primary muscle for flexing the shoulder.

Which muscle assists in shoulder extension and adduction?

Latissimus dorsi

Explanation

Latissimus dorsi helps in pulling the arm down and toward the body.

Which muscle provides dynamic stability to the glenohumeral joint during arm movements?

Supraspinatus

Explanation

Supraspinatus helps in stabilizing the shoulder joint.

#10

Which muscle is responsible for retracting the scapula?

Rhomboid major

Explanation

Rhomboid major pulls the shoulder blades together.

#11

Which muscle is crucial for shoulder stabilization during overhead movements?

Teres minor

Explanation

Teres minor helps stabilize the shoulder during overhead movements.

#12

Which muscle is primarily responsible for horizontal abduction of the shoulder?

Teres major

Explanation

Teres major moves the arm away from the body horizontally.

Anatomy and Function of Muscles in Shoulder Movement Quiz

Which muscle is primarily responsible for shoulder abduction?

Which muscle stabilizes the shoulder joint during arm movements?

Which muscle is involved in both shoulder flexion and horizontal adduction?

Which muscle helps in external rotation of the shoulder?

Which muscle is responsible for internal rotation of the shoulder?

Which muscle is involved in both shoulder abduction and lateral rotation?

Which muscle acts as the primary shoulder flexor?

Which muscle assists in shoulder extension and adduction?

Which muscle provides dynamic stability to the glenohumeral joint during arm movements?

Which muscle is responsible for retracting the scapula?

Which muscle is crucial for shoulder stabilization during overhead movements?

Which muscle is primarily responsible for horizontal abduction of the shoulder?

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