Why do some patients give rise severe headache after back acupuncture ? This is because of the thoracic and lumbar spine regions -- lesions of soft tissue damage, after zak acupuncture treatment, relaxation in the short term could ease the tension in lower back.However, In the occipital area,It will give rise to severe headache due to balance response,

Occipital area from a nociceptive neurons from the C1, C2, C3 issued suboccipital nerve, greater occipital nerve, small occipital nerves. And occipital soft tissue attached to the majority of: C1, C2, C3 vertebral body., When there is a serious soft tissue damage, such as symptoms of severe upright position headache will come out. Therefore, the use of zak acupuncture effectively heals C1, C2, C3 vertebral body attachment region , Aseptic inflammation of soft tissue damage can be completely healed, and It could stamp down these type of symptoms of severe headache.