Our head is quite heavy. Average adult human brain weighs about 3 pounds, average human tongue weights about 1 pound. Yes, it is very large and strong boneless mass of muscles! That is why tongue position is very important for posture and individual's health in general.
The tongue is the primary propulsive agent for pumping food through the mouth, into the pharynx while bypassing the airway, and through to the esophagus. ("Senescent Swallowing : Impact, Strategies and Interventions" Denise Ney, PhD, RD, Jennifer Weiss, MD, Amy Kind, MD, and JoAnne Robbins, PhD).
We emphasizing importance of the oral posture in our brochure FacExer and Method of exercising using FacExer: ' your lips are closed, tongue is flat and resting on the roof of your mouth with tip of the tongue behind the front teeth. Your upper and lower teeth are in relaxed position and are not engaged.' This tongue position helps to balance your head on the neck and keep proper body posture. Exercises with FacExer for tongue involve neck muscles engagement and relaxation and help maintain proper posture.