The deltoid muscle (or musculus deltoideus) is the muscle [1] forming the rounded contour of the human shoulder. It is also known as the 'common shoulder muscle', particularly in other …

Sep 24, 2021 · Your deltoid muscles are in your shoulder, which is the ball-and-socket joint that connects your arm to the trunk of your body. Deltoid muscles help you move your arms in …

The Deltoid muscle is a large triangular-shaped muscle that lies over the glenohumeral joint and which gives the shoulder its rounded contour. Acts mainly as an abductor of the shoulder and …

Sep 23, 2025 · What is the deltoid muscle? The deltoid muscle is a large, triangular-shaped muscle that lies superficially to other muscles of the shoulder and is responsible for forming …

deltoideus muscle, large, triangular muscle that covers the shoulder and serves mainly to raise the arm laterally. The deltoid, as it is commonly known, originates on the outer front third of the …

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 …

Jan 30, 2024 · This muscle forms the shoulder's rounded contour, being thick and spread out anteroposteriorly (see Image. Surface Anatomy of the Right Upper Extremity, Posterior …

Dec 31, 2025 · The deltoid muscle is a rounded, triangular muscle located on the uppermost part of the arm and the top of the shoulder. It is named after the Greek letter delta, which is shaped …

2 days ago · Deltoid muscle location: Anterior, lateral, posterior aspects of the shoulder The deltoid muscle, a triangular powerhouse, spans the shoulder joint, originating from three …

Jul 10, 2025 · The Deltoid muscle is the iconic, rounded shoulder muscle everyone knows, but its anatomy and function are far more complex than they appear. In this detailed video, we’ll …