Hello friend, if there is a breathing technique for a yoga session and it is ionic breathing, which involves 100% of the lungs, but first you must learn how to use that breathing technique before using it in yoga sessions .
But if you are a beginner you can use your normal breathing and eventually practice ionic breathing.
There are also other types of pranayamas (respirations) that are used to rejoice the body, start a yoga practice or at the end of yoga practice: D
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