Dermatomes are areas of skin that send signals to the brain through the spinal nerves. The dermatome system covers the entire body from the hands and fingers to the feet and toes. The part of a ...

A positive Romberg test indicates sensory ataxia. Perform a sensory examination to evaluate each dermatome of the head, neck, and arms (Figure 3). Cervical nerve 1 (C1) has no dermatome.