Myotome Muscles Upper Limb Neurological Examination 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. An area of the skin that is innervated by the … [Read more...] about Myotome Muscles Upper Limb Neurological Examination