This gets more and more extreme as our body-fat percentage gets lower, so building muscle at 9% is a lot easier than building muscle at 5%. And so if we focus on trying to stay at very low body-fat percentages, we’ll build muscle very slowly. When we’re under 10% body fat, our deflated fat cells are hungry, our levels of cortisol rise, and our testosterone plummets ( study), making it harder to build muscle, let alone build muscle leanly.
Body fat percentages how to#
How to Estimate Your Body-Fat Percentage.15% Body Fat Marks a Turning Point-Sort Of.
So in this article, we cover why your body-fat percentage matters even as a so-called “ ectomorph,” how to measure it properly, and then we’ll run through some real-life examples (with pictures) so that you have a better idea of how to judge your leanness at a glance. For guys who are underweight, DEXA and BodPod can be off by up to 13%. You’ve spent a few hundred dollars and an entire day getting two of the most accurate body-fat percentage tests in the world, and you can’t even tell if you should be bulking or cutting. And so you might want to start with a cut before bulking. Huh? 22%? That’s not the end of the world, but you’re slightly outside of the healthy body-fat percentage range. Amazing! Not only are you lean enough to bulk aggressively, but you’re also leaner than most professional athletes. He’s overweight either way, and he could stand to lose some fat. Now it’s DEXA that’s estimating high, but the discrepancy is still just 2%. Moreover, both of those body-fat percentages have the same implication for his health and appearance: he’s a decently healthy guy who looks a bit out of shape. A bit of a discrepancy, but he can be reasonably confident that he’s between 20–22%.
Then he goes to sit in the BodPod, which puts him at 22%. He goes to get a DEXA scan, and he’s told that he has a body-fat percentage of 20%. Here’s why: let’s take a totally average guy in this study. As a skinny guy, it can be hard to figure out what your body-fat percentage is.
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