Originally Posted by
Iride01
Getting back to breath rate, it just seems like HR. Once you have the volume maxed out then a faster rate gets you more. To how much it can contribute might be in the realm of marginal gains. But in racing marginal gains are a part of what makes a difference at the finish line.
I will have to check that book out. Would be helpful if a sports physiologist with a pulmonary background could chime in !!