Pronounce an oral vowel intermittently (isotonic exercise) and continuously (isometric exercise)

Brushing the superior and lateral surfaces of the tongue while the tongue is positioned in the floor of the mouth

Placing the tip of the tongue against the front of the palate and sliding the tongue backward

Forced tongue sucking upward against the palate, pressing the entire tongue against the palate

Forcing the back of the tongue against the floor of the mouth while keeping the tip of the tongue in contact with the inferior incisive teeth

Move the jaw up and down in a chewing motion for a minute or two at a time

Try and stick your lower jaw out past the upper jaw and hold it there for around ten seconds at a time

Orbicularis oris muscle pressure with mouth closed (isometric exercise)

Forced nasal inspiration and oral expiration in conjunction with phonation of open vowels, while sitting

Alternate bilateral chewing and deglutition, using the tongue in the palate, closed teeth, without perioral contraction, whenever feeding. The supervised exercise consisted of alternate bread mastication