Chapter 14, Problem 15DYB

Summary Introduction

To describe:

The main terminal branches of the brachial plexus, and what muscles do these terminal branches innervate.

Concept introduction:

Brachial plexus originates in the root of the neck and the nerves reach the arms and axilla. It sends the signals to the upper limb and the skin muscles. This plexus consists of the cervical nerves and are formed by the branching of the anterior rami nerves. It includes the network of the nerves in the $\text{C5-T1}$ region of the spinal cord. The innervations and the transfer of the stimulus take place in the upper limb and the pectoral girdle.