Scapula Anatomy Muscles

The scapula or shoulder blade is a large triangular shaped bone that lies in the upper back. Many muscles are located in the area of the shoulder girdle including rotator cuff muscles nerve networks such as the brachial plexus and upper arm muscles.

Shoulder Human Anatomy Image Function Parts And More

Rhomboids and middle trapezius.

Scapula anatomy muscles. It arises from the vertebrae of the neck. The scapula plays an important role in stabilizing the other bones involved in the rhythm of shoulder motion. Infraspinatus arises from medial 23rds of the infraspinous fossa.

Bony landmarks muscle attachment coracobrachialis arises from the medial part of the tip of coracoids process. It is responsible for movement of the shoulder and head. This bone is located posteriorly on the back half of the body.

If an injury or condition causes these muscles to become weak or imbalanced it can alter the position of the scapula at rest or in motion. Deltoid arises from the lower border of the crest of the spine and from lateral border acromion. Rhomboid minor muscle it inserts above the scapular spine.

Retraction adduction. Explore and learn about the scapula with our 3d interactive anatomy atlas. Serratus anterior muscle its insertion is along the medial border from the superior angle to the inferior angle.

Upper and middle trapezius. The bone is surrounded and supported by a complex system of muscles that work together to help you move your arm. The levator muscle is a small thin muscle.

Muscles of the upper arm and shoulder blade human anatomy kenhub duration. Upper trapezius and levator scapulae. This muscle is responsible for pulling up the scapula which allows for the shrugging movement of the shoulders.

Pectoralis minor muscle it inserts into the coracoid process. A small tendon attaches the levator to the upper area of the shoulder blade. Kenhub learn human anatomy 191632 views.

The scapula can perform six actions. An interactive quiz covering posterior markings of scapula bone through multiple choice questions and featuring the iconic gbs illustrations.

Muscles Of The Rotator Cuff Human Anatomy And Physiology