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Oct 30, 2023 · The trapezius muscle is the only muscle of the upper limb that does not receive its innervation from the brachial plexus. Instead, motor innervation to the trapezius is conveyed by the accessory nerve (CN XI) as well as the anterior rami of the C3 and C4 spinal nerves, which also contain proprioceptive/sensory fibers from the muscle.
Jun 29, 2023 · The trapezius muscle is a large, trapezoid-shaped muscle in your neck, back, and shoulders. It help your maintain your posture, tilt and rotate your neck, bring your shoulder blades back, and stabilize your spine.
The trapezius has three functional parts: an upper (descending) part which supports the weight of the arm; a middle region (transverse), which retracts the scapula; and a lower (ascending) part which medially rotates and depresses the scapula.
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.
Jun 3, 2021 · The trapezius is a muscle that starts at the base of your neck, goes across your shoulders and extends to the middle of your back. The trapezius (traps muscle) helps you move your head, neck, arms, shoulders and torso.
Jan 18, 2023 · 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.
Jan 20, 2018 · The trapezius muscle is a postural and active movement muscle, used to tilt and turn the head and neck, shrug, steady the shoulders, and twist the arms. The trapezius elevates, depresses,...
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.
Nov 10, 2023 · The trapezius, traps, trapezoid muscle is in the upper back and helps the neck, shoulders, and arms move. Learn more about the causes and treatment of trapezius pain.
The trapezius muscle (Latin: musculus trapezius) is a large, flat and broad diamond-shaped muscle of the back that resembles a trapezoid. Together with the latissimus dorsi muscle, it lies in the most superficial layer of the group.
