There's no shame in wanting a nice butt. It's a common fitness goal, unsurprisingly. But there's something you should know: The best butt-building exercises do more than just make your backside look ...

The gluteus maximus is the largest muscle in the body. It’s also the most powerful, allowing us to stand up, run, jump, climb the stairs and even drop it low on the dance floor. Along with the gluteus ...

The Canadian actor revealed he tries to hit the gym about five times a week and is focused on growing more muscle ahead of filming Season 2.

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. Stop snickering—butt ...