Web-Anterior rami of cervical nerves C3 and C4. Blood Supply:-Transverse cervical artery-Dorsal scapular artery. Clinical. Accessory nerve palsy can result in a palsy of trapezius and drooping of the arm at the shoulder may be observed. The function of the trapezius muscle can be tested clinically by asking patients to shrug their shoulders ... WebInterruption of the nerve supply to the sternocleidomastoid muscle results in an asymmetric neckline, while weakness of the trapezius muscle can produce a drooping shoulder, …

Trapezius Muscle: Anatomy, Function, Pain Causes

WebDec 19, 2024 · For instance, the trapezius muscle has a dual nerve supply resulting in some residual motor function following SAN injury. This can make spinal accessory nerve injury challenging to diagnose. Trapezial … WebThe trapezius muscle will be paralysed resulting in inability to lift the arm above the level of the shoulder (see p. 182, internal jugular vein). Cervical plexus. See Figures 7.12 and … golden retrievers for sale lancashire

Trapezius Muscle - an overview ScienceDirect Topics

WebOct 30, 2024 · The middle trapezius (G. trapeza, four-sided or four-legged table.) refers to the middle section of fibers in the trapezius, between the upper and lower trapezius fibers. It acts on the scapula and is the prime … WebSep 25, 2007 · The XIth cranial nerve or accessory nerve provides the motor supply to the sternocleidomastoid and trapezius muscles. It is frequently encountered during neck surgery, and as such is at risk of iatrogenic injury, resulting in the ‘shoulder syndrome’. Historically, the nerve was sacrificed on oncological grounds during radical neck dissection. WebControversy surrounds the nerve supply to the trapezius muscle. We report a single specimen, from a series of dissections designed to study the intradural and peripheral course of the spinal part of the accessory nerve (sp.XI), in which the nerve failed to supply the trapezius muscle, whose supply came entirely from the cervical plexus. hdmi adapter for xbox one s