In a manner relating to or involving the diaphragm; using the diaphragm as the primary mechanism or location.
From diaphragmatic (relating to the diaphragm) + the adverbial suffix -ally, forming an adverb that describes how an action relates to diaphragmatic function.
When voice teachers tell you to 'breathe from your diaphragm,' they're instructing you to use diaphragmatic breathing—this technique gives singers and speakers more breath control and projection because the diaphragm is a powerful muscle that can regulate air flow precisely.
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