Trigeminal Nerve – Light Touch

The 5th cranial nerve, trigeminal, consists of three sensory (V1, V2 and V3) and a motor component, V3.

Sensation is tested to light touch with a cotton wisp, temperature with a cold tuning fork and pain with a disposable pin. If the patient complains of sensory symptoms, it is advisable to perform side to side comparisons moving from the impaired side to the normal side.

Examination Technique:

touch a cotton wisp to the forehead, cheek and chin (avoid the angle of the jaw which is innervated by upper cervical roots)

Trigeminal Nerve - Light Touch

Trigeminal Nerve – Light Touch