"Respiratory Muscle Training" -- is there a consensus of sorts about the effectiveness of this?

Training
1

Hi all

I came across this article, and am interested in any experiences, but mostly validation that this technique is more than a placebo.

Thanks

2

Here’s a start, from the physiotherapy profession:
Respiratory Muscle Training - Physiopedia.

Or read the references from the article you cite…

3

:zipper_mouth_face: mea culpa