Shoulder Quiz Basic

Which muscle is primarily responsible for shoulder flexion?

• Deltoid (anterior fibers)

• Trapezius

• Latissimus dorsi

• All of the above

Which of the following muscles is most active during shoulder extension?

• Deltoid (posterior fibers)

• Pectoralis major

• Biceps brachii

• Supraspinatus

Which of the following muscles is NOT involved in shoulder abduction?

• Supraspinatus

• Deltoid

• Teres major

• None of the above

Shoulder adduction is mainly performed by which muscle group?

• Latissimus dorsi and Pectoralis major

• Supraspinatus and Infraspinatus

• Deltoid (middle fibers)

• None of the above

Which muscles are the primary movers during shoulder external rotation?

• Infraspinatus and Teres minor

• Pectoralis major and Subscapularis

• Latissimus dorsi and Trapezius

• All of the above

Which muscle is the main contributor to shoulder internal rotation?

• Subscapularis

• Supraspinatus

• Deltoid

• Trapezius

Which of the following muscles is NOT directly involved in shoulder flexion?

• Biceps brachii

• Deltoid (anterior fibers)

• Latissimus dorsi

• None of the above

Which muscles contribute to shoulder horizontal abduction?

• Deltoid (posterior fibers)

• Latissimus dorsi and Pectoralis major

• Deltoid (anterior fibers) and Subscapularis

• All of the above

Which of these muscles assists in shoulder horizontal adduction?

• Pectoralis major

• Trapezius

• Teres major

• None of the above

What is the primary function of the Supraspinatus in shoulder movement?

• Shoulder abduction

• Shoulder adduction

• Shoulder flexion

• Shoulder external rotation