Exercise Advice: Sit on an exercise ball with
your feet flat on the floor and your back upright and straight.
Grab a dumbbell in each hand and let them hang at your sides with
both palms facing inward toward the bench. Curl the dumbbells up
while twisting (i.e., supinating) your wrists outward on the way
up. Be sure to squeeze your biceps at the top for a one-count and
then slowly return to the start position and repeat.