Inclusion Criteria:  . Aged 18-65 2. Has posterior neck muscle discomfort 3. Has none of the following within the past 12 months:  traumatic brain injury concussion whiplash dental work (cavity filling, root canal, tooth extraction, tooth implantation) facial trauma facial reconstruction surgery diagnosis of migraine headaches with daily or weekly medication use  diagnosis of cluster type headaches with daily or weekly medication use 4. No neurological diagnoses, such as:  trigeminal neuralgia facial numbness paralysis of the face 5. No cervical spine issues such as: Bulging disc Vertebral fusion surgery Vertebral disc removal surgery 6. No skin disorder of the face, neck or scalp such as: Shingles/Herpes Zoster 7. Subject is able to lay supine for 15 minutes 8. Not pregnant  Exclusion Criteria:  1. Below the age of 18 or over the age of 65 2. Any of the following within the past 12 months:  traumatic brain injury concussion whiplash dental work (cavity filling, root canal, tooth extraction, tooth implantation) facial trauma facial reconstruction surgery. Diagnosis of migraine headaches with daily or weekly medication use  Diagnosis of cluster headaches with daily or weekly medication use 3. Any of the following neurologic diagnoses:  trigeminal neuralgia facial numbness paralysis of the face Cervical spine issues (bulging disc, vertebral fusion, or vertebral disc removal) Skin disorders of the face, neck, or scalp such as Shingles or Herpes Zoster Pregnancy Unable to lay on back for 15 minutes