There’s a guarantee that you’re going to be sweating, breathing hard and challenging yourself, no matter what you do” ...

Firstly, much of today's en vogue workouts involve some old-school Olympic lifting (hello CrossFit), which requires perfect technique to avoid injury and actually lead to tangible results.

ATHLEAN-X founder and fitness coach Jeff Cavaliere broke down his best and worst exercises, backed up by a science-based framework.

As a 30-year veteran personal trainer, I’ve seen it all: clients struggling to make progress despite putting in the hours, gym-goers frustrated by stalled results, and even seasoned lifters falling ...