Jun 29, 2023 · The trapezius muscle is a large muscle in your back. It starts at the back of your head and neck, extends across your shoulders, and down the middle of your back, forming a trapezoid. Also known as traps, the trapezius muscles play an important role in posture. They move the shoulders, lift arms out to the side, and protect the neck and spine.

The trapezius [4] is a large paired trapezoid-shaped surface muscle that extends longitudinally from the occipital bone to the lower thoracic vertebrae of the spine and laterally to the spine of the scapula. It moves the scapula and supports the arm. The trapezius has three functional parts: an upper (descending) part which supports the weight ...

Oct 30, 2023 · Attachments, innervation and functions of the superficial muscles of the back. The trapezius muscle is a large, triangular, paired muscle located on the posterior aspect of the neck and thorax. When viewed together, this pair forms a diamond or trapezoid shape, hence its name.

Jul 18, 2024 · Trapezius muscles are large, paired, triangular muscles in the back of your neck and upper back. They extend down your back, but they’re mostly involved in the movements...

The trapezius is a muscle made up of particularly long muscle fibers that spanning a large width of the upper back. Functionally, this enables the trapezius to assist in mainly postural attributes, allowing and supporting the spinal column to remain erect when the person is standing.

Mar 11, 2023 · The trapezius muscle is a large superficial back muscle that resembles a trapezoid. It extends from the external protuberance of the occipital bone to the lower thoracic vertebrae and laterally to the spine of the scapula. The trapezius has upper, middle, and lower groups of fibers.

Your trapezius muscles are two big muscles on either side of your upper back. They help you move your head, neck and upper back, and maintain and adjust your posture. Overuse, injuries and nerve damage are the most common causes of trapezius muscle pain.

Nov 2, 2024 · The trapezius is an extrinsic muscle of the shoulder. It is a broad, flat and triangular shape – forming a trapezoid shape in combination with the contralateral side. Attachments: Originates from the skull, nuchal ligament and the spinous processes of C7-T12. The fibres attach to the clavicle, acromion, and the scapula spine.

Nov 10, 2023 · What is the trapezius (traps) muscle? The trapezius, trapezoid, or traps muscle is a muscle in the upper back. It stabilizes the shoulders and enables the neck to move. Certain stretches...

Jan 27, 2025 · The trapezius muscle is a large, flat, triangular-shaped muscle located in the upper back and neck region. It is one of the superficial muscles of the back and is primarily responsible for connecting the shoulder girdle to the axial skeleton.[1]