For decades, the dumbbell curl has been helping us build bigger biceps—but it also seems to have stripped us of our imagination. After all, how often do you try a new variation of this classic arm exercise? If it’s not every 4 weeks, then you need to shake up your workout to achieve faster results. Start today with this simple guide from The Men’s Health Big Book of Exercises.
By mixing and matching any of the five hand positions and five body positions described here, you can instantly create 25 different versions of the curl. The upshot: You’ll never run out of new ways to build your biceps.