Back pain that lasts more than three months (chronic) is less common than acute pain. Back pain often develops without a specific cause that your doctor can identify with a test or imaging study. Muscle or ligament strain. Repeated heavy lifting or a sudden awkward movement may strain back muscles and spinal ligaments.
Visit your doctor.: Sinus pain can be very significant, significant enough to raise your blood pressure. You should visit your doctor to make sure that your headaches are really just from sinus pressure, and not from something more serious.
Blood pressure balance and homeostatic balance are the two major functions of the carotid sinus reflex found in the Carotid artery. When this artery is over stimulated due to massages or pressure in this area, impulses are sent which affects normal blood pressure levels and heart beat (bradycardia).