A cervicogenic headache is head pain due to a cervical backbone (neck) problem. The pain you are feeling is referred pain. This happens when you're feeling pain in a very part of One's body that’s distinctive from the pain supply. s, asymmetrical rectangular biphasic wave variety, depth established to patients https://www.theorthopaedicandpainpractice.com/a-comprehensive-guide-to-treating-neck-pain/