Science has shown that low-rep, high-weight work—like in 5/3/1—builds the most strength, he says. But higher-rep work allows trainees to add muscle volume. By adding three or four assistance exercises ...

8-Week Ultimate Athlete Workout Plan: Follow our daily training program to build athleticism and strength, all while getting ...

Target your lower half with this balancing act. Unilateral (or single-side) exercises strengthen your core, glutes, thighs, ...

Isolation exercises, or single-joint movements that focus on just one muscle at a time, can be essential for building muscle ...

The “zone zero” fitness trend promotes very low-intensity movement, like walking and housework. Here’s what it can — and can’t — do for you.