Deltoid tuberosity

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== Deltoid Tuberosity ==

The deltoid tuberosity is a rough, triangular area on the front-side surface of the middle of the humerus. It is the site where the deltoid muscle attaches to the humerus.

Anatomy

The deltoid tuberosity is located on the lateral aspect of the humerus, approximately halfway down the shaft. It is a bony prominence that serves as the attachment point for the deltoid muscle, which is responsible for lifting the arm away from the body (abduction).

Function

The primary function of the deltoid tuberosity is to provide an attachment point for the deltoid muscle. The deltoid muscle is a large, triangular muscle that covers the shoulder joint and is involved in various movements of the arm, including abduction, flexion, and extension.

Clinical Significance

Injuries to the deltoid tuberosity can occur due to trauma or overuse. Conditions such as deltoid muscle strain or humerus fracture can affect the deltoid tuberosity and impair the function of the deltoid muscle. Proper diagnosis and treatment are essential for recovery.

See Also

• Humerus
• Deltoid muscle
• Shoulder joint
• Musculoskeletal system

External Links

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