Having a job that keeps you chained to your desk can certainly make it hard to meet your fitness goals — but it's not impossible. If you do arm exercises with weights while sitting in your office ...

Amber Sayer, MS, CPT, CNS, is a fitness, nutrition, health, and wellness writer and editor. She holds two masters degrees and has been a certified personal trainer and running coach for 15 years.

Get your body moving with fitness trainer Khetanya Henderson, who will be leading this 10-minute arms workout joined by class members Tiff Marie and Paulyn Baens. In this routine, you'll start with a ...

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 ...

The preacher curl is one of those classic biceps exercises that you need to master. Learn how to do the move both with and ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Trainers say a handful of simple exercises—like presses ...