The dumbbell biceps curl is a single-joint exercise for building bigger and stronger biceps. Popular among gym goers of all experience levels, this move can be done seated or standing. It is generally performed for moderate to high reps, such as 8-12 reps or higher, as part of the arm-focused portion of a workout.
Permits wrist supination, unlike the barbell version
Allows you to target the biceps
More time efficient than the alternating dumbbell curl