Want to know if your endurance ranks in the top 10%? Find out how many mountain climbers you need to do non-stop to prove your fitness level.

Surprisingly, this high-intensity exercise is also low-impact ... The plank jack falls in between plank and mountain climbers in terms of intensity, making for a perfect stepping stone.

Think you're in peak shape? If you can do these three moves for 60 seconds each, your fitness level is truly elite. Take the ...

Mountain Climber This exercise mimics the motion ... Take a one-minute break before beginning the next set. Plank This exercise helps build strength in the core, shoulders, arms and legs.

Some of the best bodyweight exercises you can do at home include squats, push-ups, mountain climbers, and planks. These exercises test your form and allow you to perfect it. They also require zero ...

So, grab an exercise mat and your best workout ... Here’s what they are: Mountain climbers Side to side plank Alternating crunch and toe tap If you struggle with mountain climbers, just bring ...