When you’re only curling a dumbbell with one arm, you might think the other arm just hangs out, unaffected. In a fascinating new study, researchers set out to explore whether only training one arm ...

Bicep curls do a great job at isolating the muscle in the front upper arm. Everybody’s done a bicep curl — it’s one of those staple moves you see people doing in every gym. Although the exercise is ...

The majority of us know what bicep curls are and have done them at some point in our fitness journey. If you’ve ever grabbed a pair of dumbbells and been told to “just do curls,” you might’ve never ...

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 ...

If your arm day consists of bicep curls on bicep curls, it might be time to switch things up and throw some bicep curl variations into the mix. Doing slightly different takes on the staple exercise ...

Forty-five per cent of people want to spend 2025 getting fitter, according to a YouGov survey. Yet we also know that most ...

Personal trainer Chrissy Signore ranked 5 arm exercises based on how effectively they build strength. She said that some arm exercises are less efficient and more prone to injury. Bicep curls are one ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Everybody’s done a bicep curl — it’s one of those staple ...