Anatomy and Function of Shoulder Muscles Quiz

Deltoid abducts the shoulder joint.

Coracoclavicular ligament stabilizes the acromioclavicular joint.

Teres major is NOT a part of the rotator cuff.

Subscapularis primary function is shoulder internal rotation.

Infraspinatus is responsible for shoulder external rotation.

Supraspinatus primarily functions in shoulder abduction.

Axillary nerve innervates the deltoid muscle.

Serratus anterior's main action is scapular protraction.

Subscapularis is responsible for medial rotation of the shoulder joint.

Glenoid labrum provides stability to the shoulder joint by deepening the glenoid cavity.

Infraspinatus is commonly known as the 'rotator cuff' muscle.

Teres major functions in shoulder adduction.

Axillary nerve is the primary nerve supply to the deltoid muscle.

Supraspinatus initiates shoulder abduction.

Coracobrachialis primary action is shoulder flexion.