Posture in Children: Growth, Airway Development, and Long-Term Habits Poor posture in children can affect airway growth and lead to obstructive sleep apnea, TMJ dysfunction, and speech delays. Conditions like tongue tie ankyloglossia and chronic mouth breathing often go unnoticed. Myofunctional therapy helps improve posture, tongue function, and breathing to support healthy development and long-term wellness. https://breatheworks.com/child-posture-airway-development-myofunctional-therapy/