Barbell Palms Up Wrist Curl over a Bench

Instructions

1. Kneel behind a flat bench and place your forearms on it with wrists just over the edge, palms facing up.
2. Hold a barbell with an underhand (supinated) grip at shoulder-width.
3. Lower the bar by extending the wrists toward the floor for a full stretch.
4. Curl the wrists upward as high as possible, contracting the forearm flexors.
5. Lower under control and repeat.