Dermatome (sensory) test: Pinprick test • Gently touches the skin with the pin or back end and asks the patient whether it feels sharp or blunt Light touch test • Dabbing a piece of cotton wool on an area of skin Pain sensation (pin prick) and light touch sensation (cotton wool)
4. • Test for abnormalities in sensitivity by pin or cotton. • The patient should close his/her eyes and give the therapist feedback with regards to various stimuli. • All tests should be done on a specific dermatomes and should be compared bilaterally. • The sensory function of touch involves sensing surfaces and their textures and qualities. • Pinprick test and light touch test • Both test should be demonstrated to the patient first. • Both test begin distally and then move proximally Procedure