[at-l] hiking poles' efficiency...

[shane at theplacewithnoname.com (Shane)]

> How did they test it? I've seen all sorts of estimates of calories burned
> per unit of exercise but I always took them to be estimates. It isn't like
> you can check to see how much gas was used from the fuel tank. What is the
> method for determining calories burned?

>From the things I've read today, it seems that there is a calculation based
on body mass, heart rate, and oxygen consumption.

Shane