My Crunch trainer recently introduced me to the assisted pull-up machine, and it might be my new favorite exercise. The machine uses counterbalance weights, which means the higher the weight you set ...

Add Yahoo as a preferred source to see more of our stories on Google. A classic among the reps, pull-ups are great in that they train a surprisingly large part of the body. All you need is a bar and ...

Add Yahoo as a preferred source to see more of our stories on Google. Gym machines can help you attain your strength-building goals. Arguably the most versatile piece of machinery in any gym, a cable ...

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. I’ve spent most of my ...

I remember the sunny spring day in seventh-grade during P.E. class when it was time for the fitness tests. I knew I’d ace it since I played sports my whole life. Laps around the track, check. Sprints, ...

Of any calisthenics exercise, pull-ups are the most difficult to perform and see improvements without significant time and effort. Your pulling muscles (biceps, latissimus dorsi, rear deltoids, ...