Weight Lifting, Weight Training, Bench Press & Bodybuilding
May 18, 2022
Muscular System - Shoulder Muscles

About Your Shoulder Or Deltoid Muscles

The Deltoid is a three-headed muscle that caps the shoulder.

The three heads of the Deltoid are the Anterior, Lateral, and Posterior.

All three Deltoid heads attach to the humerus. The Anterior and Lateral heads originate on the collar bone, while the Posterior head originates on the scapula.

The Anterior Delt contributes to many Pec-related movement, e.g. bench press. The Lateral Delt is most active in dedicated lateral movements. The Posterior Delt is often activated in back exercises that involve the Teres Major and Rhomboid muscles.

Shoulder Muscles Anatomy - DeltoidsShoulder Muscle Functions

The function of the Deltoid muscle is essentially to move the arm away from the body.

The Anterior head raises it away to the front, the Lateral head up and away to the side and the Posterior head away to the rear.

Shoulder Muscle Exercises

Seated Dumbbell Press
Standing Front Dumbbell Raise
Seated Barbell Military Press
Dumbbell Upright Row
Bent Over Lateral Raise
Standing Dumbbell Lateral Raise
Standing One Arm Dumbbell Lateral Raise
Stability Ball Shoulder Press
Twisting Dumbbell Military Press
Kneeling Rear Dumbbell Lateral Raise
Kneeling Rear Cable Lateral Raise
Lying Cable Pullover
Front Dumbbell Raise - Palms In
Cable Lateral Raise
Arnold Press

Shoulder Muscles

The muscle anatomy descriptions and picture on this page were provided courtesy of Nick Nilsson.


Return To The Main Muscular System - Muscular Anatomy Page


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