If your arm day training session is stuck in the same old slog of biceps curls to triceps pressdowns—then wash, rinse, repeat—it's far past time that you introduce some variety into your workout. Take ...

Add Yahoo as a preferred source to see more of our stories on Google. IT'S SAFE TO say that building big arms is a primary fitness goal for a lot of guys. Contrary to the popular belief, though, ...

The secret to an upper body that looks fierce AF: cut triceps. This part of the arm often gets lost in the workout shuffle-while moves like <a href="https://www ...

Ready to get into the best shape of your life? Get free weekly workouts and no-nonsense training insights delivered straight to your inbox. Sign up here and let the gains begin. IF YOU WANT to blow up ...

Add Yahoo as a preferred source to see more of our stories on Google. The back of the arm is a spot that many of my clients wish to tone and tighten. Most of them have a less-than-flattering nickname ...

It just takes one big trip to the grocery store to realize how important arm strength is. And even if you regularly work out your arms, you might be missing one crucial muscle. We often spend plenty ...

Plus, the popular move you need to retire in order to make the gains you want.

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. Arm day can be one of ...

If you have ever dreamt of stronger, more sculpted arms, the secret lies in training both the biceps and triceps. These muscles do not just improve appearance, they power everyday movements like ...