There is no air tight barrier in between my two cheeks, so how am I controlling the air in my mouth and directing it to one specific cheek? The deflated cheek is still floppy, so it’s not like I’m tensing a muscle to stop it inflating.
Also works if I have a mouth full of water, and can also be directed to top and bottom lips.
Thank you.
In: Biology
>it’s not like I’m tensing a muscle to stop it inflating.
Yes you are.
Inflate your whole mouth so both cheeks bulge a bit. Now shift the air to one side. (You can even ‘swish’ the air back and forth if you want.)
That requires tensing some cheek muscles, and you’ll feel the effort you have to put in.
Those same cheek muscles are the ones you are tensing when you inflate 1 cheek to begin with – you are reaching the same end-state.
Your cheeks have a fair bit of fat and skin on them, so when you touch the cheek you probably don’t feel the muscles, especailly when it is not inflated, so that is probably why it feels floppy. Also, some of the muscle that operate your cheek are above and below it, putting tension on the area without necesarrily all of the relevant muscles being inside the cheek itself.
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