Finish off Week 3 strong! Get excited: Today's workout is all about spiking your heart rate with squat thrusts, pop squats, and jackknife sit-ups. You can use a weight to do the lateral lunge to ...

That's right: When asked to create a super-effective, calorie-torching routine, Cosgrove gave us a workout that had readers do only a dumbbell swing and a squat thrust. This confused some folks, who ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Squats, deadlifts, and Bulgarian split squats are great, but hip thrusts also have a place in your ...

Amy and Rhys take us through a 30 minute bodyweight workout that will focus on your core and cardio. This 5-move workout consists of triple climbers, glute bridge marches, star toe touches, up-down ...

Ready to take your workout routine to the next level? In honor of National Women’s Fitness Day, Peloton instructor Jess Sims is sharing three workouts that push you to tap into your inner strength.

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Here is a quick 15 to 20 minute workout guaranteed to make you scream for mercy. As always, consult your physician before starting any exercise program. This is pretty intense, but if you find it too ...