Back and Shoulder Muscles

Front

Back

The trapezius is a large triangular muscle located in the upper back. It is responsible for moving, rotating, and stabilizing the scapula (shoulder blade) and extending the neck.

Front

Back

The deltoid is a triangular-shaped muscle located on the upper arm and shoulder. It is responsible for lifting the arm and providing a wide range of motion at the shoulder joint.

Front

Back

The Latissimus dorsi is a large, flat muscle located in the lower back. It plays a key role in movements such as extension, adduction, and internal rotation of the shoulder joint.

Front

Back

The rhomboid major is a muscle located in the upper back. It connects the spine to the scapula and is responsible for retracting the scapula, pulling it towards the spine.

Front

Back

The supraspinatus muscle is one of the four rotator cuff muscles. It is responsible for initiating abduction of the arm and stabilizing the shoulder joint.