It's called Inspiratory Muscle Strength Training (IMST) and they are on the mark...

		troydavis on April 15, 2022 \| parent \| context \| favorite \| on: 5-min breathing workout lowers blood pressure as m... It's called Inspiratory Muscle Strength Training (IMST) and they are on the market: https://www.powerbreathe.com/ (and other manufacturers). I believe this study used the POWERbreathe K-Series: https://www.powerbreathe.com/product-category/breathing-trai...