Short bouts of intense exercise, such as 60 seconds of near all-out effort, can raise heart rate and improve physiology.

“if you just take 60 seconds and do you know like an near allout you know run up the stairs but be careful or jumping jacks for a minute as fast as you can that raises heart rate in a way and adjusts your physiology in a way that really does carry over to better performance including even things like V2 Max in other endeavors”