
If you’re serious about training your glutes—the muscles in your butt—you will have tried Bulgarian split squats. It’s a staple of any good glute routine, along with hip thrusts, but Cassidy Morgan, who specializes in glute training for women, says there’s another essential glute move and it’s been taking social media by storm.
She calls it the sumo fairy, a sumo squat with one foot elevated on a platform.