Take Your Basic Jumping Jacks Up a Notch With These 5 Heart-Pumping Variations 

Jumping jacks add a boost of cardio to any workout routine. Here are the benefits of jumping jacks and modifications for every level.

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Photo: Getty Images/<br />FreshSplash

“I’m an Exercise Physiologist—Here’s Why You Shouldn’t Worry About Cortisol Spikes When You Do HIIT Workouts.” 

There’s a difference between chronic stress and making your body work during workouts.

woman sweating in the gym
Stocksy: Julia and Rob campbell

The 5 Best Pilates Exercises to Improve Flexibility

Stretch your limits with these gentle movements.

Unrecognizable woman stretches arms to legs while stretching on yoga mat on wooden floor of an outdoor terrace.
Photo Credit: Stocksy / Alexander Grabchilev