When you think of biceps, do you think bulging like Arnold Schwarzenegger? Or maybe that signature double flex pose comes to mind? Whatever image you conjure up, biceps are more than just for looks.

If you want big arms, do a biceps curl. If you want even bigger arms in 2025, it's time to build some bicep curl variations into your upper-body workouts. Like your triceps, glutes, and chest, your ...