Are you not seeing results at the gym? Find out what you may be doing wrong that is failing to target your upper arms.

No equipment needed.

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

Five-minute workouts — sometimes called “exercise snacks” — check so many boxes. They’re perfect when you’re short on time, low on energy, or when you want to quickly target a specific part of your ...

Your triceps are tiny muscles that are responsible for a major movement. While your biceps help your elbow bend, your triceps, those horseshoe-shaped muscles towards the top of your arm, help your ...

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. We’re going to start ...

If you’re preparing for a spring race, there will be a moment in the coming months when you look out the window, training plan in hand, and think, “Nope, not today.” Maybe the sidewalks are ...

All you need for this full-body strength routine is a chair and a mat. All you need for this full-body strength routine is a chair and a mat. Credit... Supported by By Danielle Friedman Videos by ...