Oct 30, 2023 · Origin, insertion, innervation and functions of the deltoid muscle. The deltoid is a thick, triangular shoulder muscle. It gets its name because of its similar shape to the Greek letter ‘delta’ (Δ). The muscle has a wide origin spanning the clavicle, acromion and spine of scapula.

The deltoid muscle is the muscle [1] forming the rounded contour of the human shoulder. It is also known as the 'common shoulder muscle', particularly in other animals such as the domestic cat . Anatomically, the deltoid muscle is made up of three distinct sets of muscle fibers , namely the

Your deltoid muscles cover the top of your shoulder. They help you lift your arm to front, side and back. Deltoid muscle pain can affect swimmers, pitchers or anyone who performs repetitive overhead arm movements.

Dec 14, 2023 · The deltoid muscle is the main muscle of the shoulder. A triangle-shaped muscle, it helps move your upper arm and stabilizes the shoulder joint. The deltoid connects to the clavicle (collarbone), spine of the scapula (shoulder blade), and humerus (upper arm bone).

The Deltoid muscle is a large triangular-shaped muscle that lies over the glenohumeral joint and which gives the shoulder its rounded contour. It is comprised of three distinct portions (anterior or clavicular, middle or acromial, and posterior or spinal)

Apr 23, 2024 · The deltoid is a large, thick triangular skeletal muscle in the shoulder joint, connecting the arm to the body trunk. Its name derives from ‘delta’ (Δ), the Greek letter that it resembles in shape. The deltoids give our shoulder its rounded shape and are responsible for most major arm movements.

Dec 12, 2024 · Deltoids are close to the surface of the skin, and most people can feel them. They’re attached to three different bones in your upper body: Your deltoid muscles start near your clavicle and...

Jan 30, 2024 · In surgery, deltoid flaps may be used to correct shoulder defects arising from breast cancer treatment. Understanding the anatomy and clinical significance of this muscle is crucial for diagnosing and treating various arm and glenohumeral joint conditions. [1] [2] Structure.

Jan 1, 2025 · The deltoid muscle is a large triangular-shaped muscle located in the proximal upper extremity. It forms the rounded contour of the human shoulder. The borders of the deltoid are visible when the arm is abducted against resistance.

Mar 4, 2025 · The deltoid muscle is a large, triangular-shaped muscle that lies superficially to other muscles of the shoulder and is responsible for forming the shoulder’s rounded contour.