3.0Kshares Facebook Twitter Reddit Flipboard LinkedInConor McGregor, Steve Cook, Rob Lipsett, Jeff Nippard… The video provides examples of some top individuals within the fitness industry who have done DXA (Dual-energy X-ray absorptiometry) body fat percentage tests. Read more We’ve all known two people who are close to the same height and weight, yet have different bodies. I actually asked him if he was certain the measure was properly mounted on the wall. Tracking your body fat percentage is one way to measure progress when you’re trying to lose weight or gain lean muscle mass.