The theory is that we have an essential amount of body fat. Kind of a minimum level allowed in the tank.
For men this amount is roughly 5% of body weight, for women it’s closer to 13%.
Admittedly I have not explored the science behind these numbers, but for the purpose of this blog post, let’s assume they are correct.
(I also find basing the essential amount as a percentage of total body weight as opposed to a percentage of leanbody mass to be odd…but I digress.)
So for me, 5% is essential.
Then as a ’safety cushion’ let’s assume enough fat to provide 2 weeks worth of energy should I need it.
That’s about 8 pound of fat ( 28,000 back up Calories at my disposal – more than enough)
That means that at my LBM (roughly 150-155 pounds…we’ll say 152.5) I should have about 8 pounds of essential body fat.
(152.5 / 0.95 = 160.5     […]

Original post by Brad Pilon

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Filed under: Fitness