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Nerve point of neck
Side of neck, showing chief surface markings.
The right brachial plexus with its short branches in anterior view.
Details
Identifiers
Latin
punctum nervosum
Anatomical terminology
[edit on Wikidata]
The nerve point of the neck, also known as Erb's point,[1] is a site at the upper trunk of the brachial plexus located 2–3 cm above the clavicle.
It is named for Wilhelm Heinrich Erb.[2] Taken together, there are six types of nerves that meet at this point.
"Erb's point" is also a term used in head and neck surgery to describe the point on the posterior border of the sternocleidomastoid muscle, approximately 2-3cm above the clavicle, overlying the transverse process of the sixth cervical vertebra,[3] where the four superficial branches of the cervical plexus—the greater auricular, lesser occipital, transverse cervical, and supraclavicular nerves—emerge from behind the muscle. This point is located approximately at the junction of the upper and middle thirds of this muscle. From here, the accessory nerve courses through the posterior triangle of the neck to enter the anterior border of the trapezius muscle at a point located approximately at the junction of the middle and lower thirds of the anterior border of this muscle. The spinal accessory nerve can often be found 1 cm above Erb's point.[4]
^Anatomy Dissections - LF1 English Parallel Archived March 5, 2007, at the Wayback Machine
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