Add Yahoo as a preferred source to see more of our stories on Google. Lots of guys skip hammer curls on arm day, but Jay Cutler swears by this often-overlooked exercise for building bicep width.

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 ...

When it’s time to switch things up in your upper-body routine, hammer curls deliver a refreshing and highly effective twist on traditional biceps training. As a U.S.-based fitness writer who has ...