Modeling isn’t just a matter of strutting your stuff on the catwalk—it also means that you need mathematical precision when it comes to taking your body measurements. Having precise measurements is ...

The number on the scale does not tell the whole story. Your body weight does not account for your body fat, muscle mass and bone density, and will not tell how much of it is due to water retention or ...

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 ...

Experts say gait speed, grip strength, balance, and endurance are some of the strongest predictors of long-term independence.

The Lilliputian tailors measure Gulliver for a new suit of clothing, from Part I of Jonathan Swift's "Gulliver's Travels." (1726) Illustration (1909) by Arthur Rackham (1867-1939) Source: Alamy stock ...