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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?

Rowing machine muscles worked include the quads, glutes, triceps, and more, making it a great whole-body workout. This heart-pumping, high-intensity exercise activates many of the muscles that are ...

Want to add leg-day exercises to your routine that target muscle groups effectively? Get inspired by the actor's leg-day workouts.

The modern gym floor presents fitness enthusiasts with an array of choices for cardio, each promising unique benefits for health and wellness. Among these options, treadmills and StairMasters stand ...

Interested in packing on pounds of new muscle mass on your upper legs? Sick and tired of being known as the guy with chicken legs? Ready to learn some tips and tricks to build a great pair of wheels ...

Ellipticals offer more of a full-body workout. When you use the arm levers, for example, you’re working your arm muscles like ...

The very best workouts for your metabolism are those that engage big muscles and hit a challenging intensity level. They don't need to take a long time: Short bursts of anaerobic energy (near “full ...

If you're looking for a challenging, calorie-burning, engaging workout, should you use a treadmill or a stair climber? Either ...