Squats are a rockstar lower-body move. You can do squats pretty much anywhere, like while you're brushing your teeth or with a fully-loaded squat rack in the gym. You probably already are doing squats ...

Quadricep exercises target the quadriceps - a group of muscles sitting on the front of your thighs. If you've done one too many squats in the gym or had to climb more stairs than you'd like, you'll be ...