
Originally Posted by
OakLeaf
It's really important to remember that while none of the laws of science change, both "calories in" and "calories out" are about two part physics and eight parts biochemistry.
The same food intake will translate to a wide range of energy input for two different people, and the same activity by two people of the same weight will translate into a wide range of calorie output.
Now I know a lot more about physics than I do about biochemistry, so this intrigues me. I can understand two people of the same weight and similar lifestyle having a very wide range of calorie output just by watching how differently people move, some people are jumpy and on their feet all the time, some people are slower, relaxed and seem to conserve energy. And I assume how you dress and what temps you're in make a difference too. Which is why I've never really understood how calorie counting can work, it seems to me there are just too many variables in the equation.
But why would the same food intake cause a range of energy input? Do we process food that differently?
Winter riding is much less about badassery and much more about bundle-uppery. - malkin
1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
2008 white Nakamura Summit Custom mtb/Terry Falcon X
2000 Schwinn Fastback Comp road bike/Specialized Jett