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-2
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1answer
51 views

I can control my heart rate “like a muscle”. Is it safe? What could the mechanism be?

First off, sorry if this is inappropriate for this board. I couldn't find a "Health" sub-SE. A few years ago, I was messing around with the concept of "psi" (an energy that supposedly exists in ...
12
votes
0answers
616 views

Firstbeat Energy Expenditure Algorithm

I am looking for an implementation (or a document that describes the actual algorithm) for the energy expenditure/VO2/EPOC calculation from the heart rate variability. A few white papers about ...
-3
votes
0answers
27 views

High intensity performance training

Some footballers/Soccer players die of cardiac arrest. Was it because of the High intensity performance on the field or increased heart rate. Some footballers run at a speed of 34.7KM/H . Even after ...