ARK's Blog

The tongue is connected to the jaw, so wherever the jaw goes, the tongue follows. Speech sounds are properly articulated when the jaw and tongue are at midline and symmetrical. So if the jaw and tongue slide left or right as you talk, it can cause a lateral lisp and unclear/slushy speech. Having control over your jaw is also important for biting and chewing skills, for holding your jaw in …

Jaw grading is the ability to visually judge how far you need to open your mouth to take a bite out of certain foods and to say certain speech sounds. For example, say "ooooo" versus "aaahh" - can you feel the height difference in your jaw? It needs to open just a little bit for "eeee," but wider for "oooh." Or, imagine taking a bite out of a thin cracker versus a burger - there's a big difference …