WHEN YOU DO a heavyweight bench press—arguably the premier upper body-building exercise for lifters of all stripes—there are two muscles working in tandem to power the bar up to the top of each rep: ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Training your upper body is essential in maintaining and ...

You might be surprised how much you're already hitting this valuable muscle group. Here's how to avoid going overboard.

They might feel good when you’re repping them out, but crushing curl after curl after curl just isn’t enough if you’re serious about building sleeve-busting arms. Sorry to be the bearer of bad news, ...