For most guys, leaning out means leaning in to adding more to their to-do lists: More meal prep, more workouts, more cardio, more time spent tallying calories and macros. But there’s a problem: Many ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. For most guys, leaning out means leaning in to adding more to their to-do lists: More meal prep, more workouts, more cardio, more ...