Get ready for the ultimate pump.

These are the moves that will build the upper body strength and size you want.

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 ...

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

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 ...

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

For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper body (everything from the chest up including arms, shoulders, and back—but not ...

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 ...

A certified trainer shares an 8-minute routine targeting arm flab after 55 — no weights needed to tighten and firm bat wings fast.

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