This squat challenge will make you fitter and stronger and finally give you the toned glutes you've always wanted. Are you ready to get your rep on? By the end of this 30-day challenge, you should be ...

If your workout routine has gone stale, there's no better way to revamp it than with a 10-minute challenge that'll test your glutes, legs, and pain tolerance (in a good way!). That's right: the newest ...

Add Yahoo as a preferred source to see more of our stories on Google. This underrated bodyweight move is a secret weapon for stronger quads. If you’re looking for a fresh way to fire up your legs — or ...

If you’re one of Meggan Grubb’s 1.3 million Instagram followers, you’ll know she’s no stranger to a bum workout. The fitness trainer and mum to 18-month-old daughter Winnie regularly shares snippets ...

I've always been a sucker for a good challenge. Maybe it's because of the competitive streak in me, or perhaps it's due to my love of all things fitness, but whatever it is, I'm usually one of the ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Get ready for strong ...

Squats can be as hard or as easy as you want them to be. If you’re doing 100 a day, you may need to ease up to be able to get your quota in without making yourself too sore. And if you’re a total ...

Our FITBOOK author Nina Ponath hates squats. Still, she challenged herself to do the exercise every day for two weeks. It’s supposed to be good for the butt. Was it worth it? 100 squats daily! A ...