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2024-05-22T17:10:10Z

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[[File:Brachial_plexus_2.svg|thumb|Brachial_plexus_2.svg]] '''Subclavian nerve'''

The '''subclavian nerve''' (also known as the '''nerve to the subclavius''') is a small branch of the [[brachial plexus]]. It arises from the upper trunk of the brachial plexus, specifically from the fifth and sixth [[cervical nerves]] (C5 and C6).

==Anatomy==
The subclavian nerve originates from the upper trunk of the [[brachial plexus]], which is formed by the union of the anterior rami of the fifth and sixth cervical nerves. It descends anteriorly to the [[subclavian artery]] and posteriorly to the [[clavicle]].

==Function==
The primary function of the subclavian nerve is to innervate the [[subclavius muscle]]. The subclavius muscle is a small muscle located between the clavicle and the first rib. It acts to stabilize the clavicle during movements of the shoulder and arm, and it also helps to protect the underlying [[brachial plexus]] and [[subclavian vessels]].

==Clinical Significance==
Injury to the subclavian nerve is rare but can occur due to trauma or surgical procedures involving the clavicle or upper chest. Damage to this nerve can result in weakness or paralysis of the subclavius muscle, which may affect the stability of the clavicle and shoulder girdle.

==Related Structures==
* [[Brachial plexus]]
* [[Cervical nerves]]
* [[Subclavian artery]]
* [[Clavicle]]
* [[Subclavius muscle]]

==See Also==
* [[Brachial plexus injuries]]
* [[Cervical spine]]
* [[Shoulder anatomy]]

[[Category:Peripheral nervous system]]
[[Category:Anatomy]]
[[Category:Medicine]]

{{Anatomy-stub}}

Subclavian nerve - Revision history

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