[15] The posterior rami provide spine muscle and trunk skin sensation. The most complex nerve plexus is the brachial plexus, consisting of cervical nerves 5 through 8 (C5 to C8) and thoracic nerve ...

It can affect one or more of the nerves that innervate the upper limb, specifically in the Brachial Plexus. Lymphedema is the most common ... We used an ultrasound study of Serratus Anterior muscle ...