Myotome. The anatomical term myotome refers to the muscles served by a spinal nerve root. A myotome is, therefore, a set of muscles innervated by a specific, single spinal nerve. The term is also used in embryology to describe that part of the somite which develops into the muscles. There are 31 spinal nerves.

What does dermatome and myotome mean?

A group of muscles that is innervated by the motor fibers that stem from a specific nerve root is called a myotome. An area of the skin that is innervated by the sensory fibers that stem from a specific nerve root is called a dermatome. ... This consistency allows doctors to treat nerve pain in patients.

What is C1 myotome?

Myotome distributions of the upper and lower extremity are as follows; C1/C2: neck flexion/extension. C3: Lateral Neck Flexion. C4: shoulder elevation. C5: Shoulder abduction.