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. There seem to be two ...

What if I told you it's possible to sculpt your dream booty while laying on the floor? Moves like squats and deadlifts require standing, but hip thrusts start right on the mat. These are no rest break ...