====== Brachial plexus injury etiology ======

[[Penetrating trauma]].

Traction. [[Stretch injury]].More likely to affect the [[posterior cord]] than the [[medial cord]] and [[median nerve]].

[[First rib fracture]].

[[Compression]] by [[hematoma]].

Minor brachial plexus injuries, known as stingers or burners, are common in contact sports, such as football. Babies sometimes sustain brachial plexus injuries during birth. Other conditions, such as inflammation or tumors, may affect the brachial plexus.