Jaw
During practice, the jaw should be the moving structure. The jaw moves through a controlled range while the tongue remains fixed. The mouth should be opened as far as possible before moving the jaw forward and backward. The activity is des…
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During practice, the jaw should be the moving structure. The jaw moves through a controlled range while the tongue remains fixed. The mouth should be opened as far as possible before moving the jaw forward and backward. The activity is designed to loosen the jaw.