There's a lot of chatter in the fitness world about what constitutes a great workout. Some folks swear a series of awkward exercises is the key to gains. Others claim a quick jump rope workout that ...

One of the major killers of muscle gains is overworking a particular muscle group and not allowing it enough time to effectively recover. The best push-pull-leg and upper/lower body workout splits aim ...

Anyone interested in building lean muscle will love this method.

THE BODY IS a complex machine. Your corporeal form houses over 600 muscles, all working together to help you perform your best every day. Fitness pros tend to organize all of these into different ...

Most people focus on the major leg muscles like the quads, glutes, and hamstrings on lower body days, often while totally neglecting inner-thigh exercises. But the inner thigh muscles are responsible ...

What Is a Push-Pull-Legs Workout? This type of setup is designed for balance, while still allowing you to have some variety in your sessions. Rather than focusing on a single muscle group or body part ...

View post: The One Workout Mistake Most Guys Make in Their 30s and Pay For in Their 40s, According to a Veteran Trainer There are endless ways guys structure their workouts. Some go with the classic ...

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?

New workout creation tool lets users design personalized training routines with exercise filtering, progress tracking, ...