Final answer:
To fix eppiglottic inversion, you need to strengthen the suprahyoid muscles. These muscles raise the hyoid bone, the floor of the mouth, and the larynx during swallowing.
Step-by-step explanation:
To fix eppiglottic inversion, you need to strengthen the suprahyoid muscles. These muscles include the digastric, stylohyoid, mylohyoid, and geniohyoid muscles. When these muscles contract, they raise the hyoid bone, the floor of the mouth, and the larynx during swallowing, helping to close off the nasopharynx and prevent food from entering the trachea.