For all of the hype booty bands get, we totally understand if you've pulled one out before and just wondered WTF you're supposed to do with it. Yes, you can always go for the classic glute-working ...

If you want big biceps and arms, do curls. If you want bigger biceps and arms, do different kinds of curls. Variations as simple as a change in wrist position or source of resistance allow you to ...

Biceps curls and hammer curls can help you build overall arm size and strength. But if you really want to build biceps peaks, the large, baseball-like masses that make your arms truly stand out, then ...