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The scalene muscles have an important relationship to other structures in the neck. The brachial plexus and subclavian artery pass between the anterior and middle scalenes. [4] The subclavian vein and phrenic nerve pass anteriorly to the anterior scalene as the muscle crosses over the first rib. The phrenic nerve is oriented vertically as it ...
Right: diagram of the course of the brachial plexus in relation to other important anatomic structures in the right side of the neck. The interscalene block is performed by injecting local anesthetic to the nerves of the brachial plexus as it passes through the groove between the anterior and middle scalene muscles , at the level of the cricoid ...
The brachial plexus is a network of nerves (nerve plexus) formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).This plexus extends from the spinal cord, through the cervicoaxillary canal in the neck, over the first rib, and into the armpit, it supplies afferent and efferent nerve fibers to the chest, shoulder, arm, forearm, and hand.
This article incorporates text in the public domain from page 563 of the 20th edition of Gray's Anatomy (1918) ^ Casale, Jarett; Geiger, Zachary (2022), "Anatomy, Head and Neck, Posterior Neck Triangle" , StatPearls , Treasure Island (FL): StatPearls Publishing, PMID 30725974 , retrieved 2023-01-19
Template: Brachial plexus diagram. ... Anatomical illustration of the brachial plexus. with areas of roots, trunks, divisions and cords marked. Clicking on names of ...
long thoracic nerve (from roots of brachial plexus C5, C6, C7) protracts and stabilises scapula, assists in upward rotation rhomboid major, rhomboid minor, trapezius: 2 1 deltoid, clavicular/acromial/scapular spinal parts Upper limb, Shoulder, Right/left clavicle, acromion, spine of scapula: deltoid tuberosity of humerus
The brachial plexus is formed by the ventral rami of C5-C8-T1 spinal nerves, and lower and upper halves of C4 and T2 spinal nerves. The plexus extends toward the armpit. The ventral rami of C5 and C6 form upper trunk, the ventral ramus of C7 forms the middle trunk, and the ventral rami of C8 and T1 join to form the lower trunk of the brachial ...
Modified by Mattopaedia on 02-Jan-2006 from the 1918 Edition of Gray's Anatomy. ... A anterior view labelled diagram of the right brachial plexus. Items portrayed in ...