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

In this fun (and brutally intense) video, my girlfriend and I take on the viral "Bring Sally Up" squat challenge to test our leg strength and endurance. With every beat of the song, we push ...

Test your fitness with the 3-minute burpee gauntlet! Can you hit the elite athlete benchmark? Try this intense challenge now!

The Cavinder Twins wows fans by crushing a push-up challenge in a bikini-clad fitness video, showcasing their strength with style!

Robert F. Kennedy Jr. stuns with a ripped physique and advanced calisthenics workout at 70. Here's why you should start ...

But recently, a new viral fitness craze has taken the internet by storm: the 11 push-up challenge. “[Is] on the knees okay?” Robbins asked, to which Dr. Wright replied, “No.” (Dr. Wright ...

You can also try more challenging modifications, like jump squats. 3. Push-ups There are many different ways to do a push-up, and depending on your strength level, you can challenge yourself with ...