Gluteus Maximus: Booty-Building Exercises From Nick Nilsson (Video)

Jen Sinkler, our fitness editor, wrangles leading experts to address your most perplexing workout quandaries and conundrums. Email ’em to askjen@ experiencelife.lifetime.life.

Weak glutes can wreak havoc on your back, hips and knees, so building a strong bottom should be a top fitness priority.