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. Ready for leg day?

If you want to pack size, strength, and muscle onto your hamstrings, glutes, and quads, then start integrating these ...

One way to ramp up a traditional squat is by adding weight with the help of a squat machine. But with so many different types of squat machines at the gym, it can be hard to know which ones to use — ...

A split squat, also known as a Bulgarian split squat, is an intermediate-level exercise that mainly targets the muscles of the lower body. The split squat exercise is just as the name suggests — you ...

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 ...

While muscle groups like the chest, biceps, and glutes tend to get an abundance of attention, no strong physique is complete without a well-developed back. All too often, however, we overlook back ...

Before worrying about fancy equipment or trending workouts, I ask every client to master five simple exercises, the same ones I prioritise myself. Together, they build real-world strength, improve ...

Exercises to rebuild muscle after 55: a certified trainer shares 5 daily dumbbell moves to train full-body strength.