STARTING POSITION:
Select the appropriate plates amount to put them on the bar. Sit on a bench. Grab the barbell and place your forearms on your legs, letting your hands hang outside the leg. Your palms should point towards the roof. Slightly extend your fingers.
MOVEMENT:
Fully bend your wrists making sure you don't move any other part of your body. Return to the starting position in a smooth movement while you inhale.
TIPS: The exercise key is quality over quantity. The trick is to perform the exercise using proper form.