NEET PG DENTAL EXAM

Detailed explanation-1: -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 stabiliser of the humeral head. as well as assists in forward elevation.

Detailed explanation-2: -The deltoid is a thick, triangular shoulder muscle. It gets its name because of its similar shape to the Greek letter ‘delta’ (). The muscle has a wide origin spanning the clavicle, acromion and spine of scapula.

Detailed explanation-3: -The trapezius is a large triangular-shaped muscle that overlies the shoulder posteriorly. The trapezius originates from the superior aspect of the nuchal line in the occipital, cervical, and upper thoracic region and inserts at the lateral aspect of the clavicle, the acromion, and spine of the scapula.