There aren't a lot of exercises that can claim to improve pelvic floor health and heart health in one, but the jack plank ...

What’s the best exercise for strengthening your abs? Ab crunches? Plank? Bicycle crunches? A combination of all three? Whatever form of torture you prefer, building a strong core – which includes your ...

Where were you the first time you discovered a Darebee workout? Maybe you heard one of your gym buddies mention it as a go-to workout program when the gym is closed. Or perhaps an internet search for ...

Jeff and Stu of Xfa Fitness demonstrate how to work your abs and have fun while doing so. Try these "Plank Jacks" to work your abs, your arms, and your heart all in one shot. Check out more of Jeff ...

Right when you thought planks couldn’t possibly get any harder, you find out that rocking planks exist. Not only does this move require you to hold a plank — as per usual with plank variations — but ...

Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

How to do the perfect side plank, and how to make it easier (and harder). Planks are hard. Even just 30 seconds in plank position can feel like an eternity. But as challenging as planks are, side ...

The "Us" and "Black Panther" star is all about making tough workouts fun, so doing plank jacks to Beyoncé is right on brand. In this case, she also made the moves accessible by modifying the push-up ...