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. Curls are the classic ...

A strong bicep can create that defined look in the upper body that many people desire. But what most people don't realize is how important strengthening this area is for reasons beyond aesthetics. The ...

To achieve a sculpted look with the upper body, you need a well-rounded routine made up of exercises that target every part of the arm, including the shoulders, triceps and biceps. Strong arms don’t ...

Get ready for the ultimate pump.

Can you skip straight to the shower? By Jen Murphy The standard workout arc, whether it’s a yoga class or Peloton session, is usually book-ended by two easier parts: the warm-up and the cool-down.

Hands up: Who skips warm-up exercises and cool-downs even more than leg day? You're not alone. The problem, however, is that these routines are essential to your workout. We're not just talking about ...