Get ready for the ultimate pump.

It is what the fitness enthusiasts call a muscle pump. This temporary swelling happens when blood rushes into the working ...

Add Yahoo as a preferred source to see more of our stories on Google. The muscles in your arms are complex structures and attach to the bones in multiple places - Andrew Crowley for The Telegraph Arms ...

We spoke with experts to craft a research-backed blueprint to build sleeve-splitting biceps and triceps ...

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 ...

Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...

Trainers explain why strength training isn't just for muscles.

A CSCS expert shares a 6-minute standing arm routine after 50 that targets arm flab more effectively than traditional weight ...

Bed exercises to tighten arms after 55, a CSCS trainer shares 4 joint-friendly moves to firm triceps and shoulders.