Trigger Point Injection of the Trapezius Muscle with Twitch Response

The trapezius muscle is also known as the shoulder muscle or the "I don't know muscle," since it is the muscle that enables us to shrug our shoulders. This muscle can can a lot of referred pain such as into the jaw, the neck, behind the ear, back of the head, the temple, and even into the eye. 

Dr. Hirschinger is the inventor of the gentle jaw®, a passive stretching device for treatment of acute and chronic TMJ and muscle pain. gentle jaw is "yoga for the jaw®."​