Upper-body strength is more than a fitness goal—it’s a powerful indicator of overall health. According to the American College of Sports Medicine (ACSM), one of the most reliable ways to assess ...

You may already know how many sit-ups and push-ups you’re meant to be able to do by age and gender, as well as how long you’ll ideally be able to hold a plank or stand on one leg. These can measure ...

Mastering push-ups and pull-ups requires progressing from building strength to developing muscular endurance. Conquering your first repetition of these calisthenics exercises is a matter of strength, ...