In this fun (and brutally intense) video, my girlfriend and I take on the viral "Bring Sally Up" squat challenge to test our ...

Tricep extension reverse lunge: Here you’ll grab both, or one dumbbell and do a tricep extension, before raising the weight ...

Test your strength endurance with three 60-second challenges that push your limits and reveal your real fitness level.

One push-up variation that holds muscles under tension for longer is the walking plank push-up ... good mix of push and pull while I tested this challenge. By the end of the week, except for ...

A strong body doesn't just look good—it helps protect against serious health risks, too. One of the most promising findings ...

Of course, trying different types of squats will also help keep your workouts engaging while adding an element of challenge ... Push through feet and extend arms and legs to jump up off the ...