When she got her first job as a sports dietitian at the University of Oregon in 2011, Rachel Manor was tasked with putting teams of student athletes through the Bod Pod. Basketball players and track ...

For bodybuilders and fitness enthusiasts, changing body composition often reflects hard work and discipline—but knowing body composition is useful for anyone, and for more than just bragging rights.

Thanks to the ever-improving world of fitness trackers and apps, you've never had more access to personal health data. But which of the dizzying number of markers and metrics should you really be ...

The scale has never been a friend to Mana Mostatabi. Even back in high school, when she ran a quick 100m on the varsity track team, her BMI – a ratio of weight to height – put her in the overweight ...

There are various types of body composition tests (more on these below). Still, each one measures the percentages of fat and fat-free mass (muscle and bone) in the body. Knowing these percentages can ...

Posts from this topic will be added to your daily email digest and your homepage feed. is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting ...

According to a recent study, reducing body fat can improve long-distance running and cross-country skiing performance. However, a more effective way for female athletes to optimize their body ...

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