1
Sit on a bench, forearms resting on your thighs, wrists just off the edge, palms up.
2
Hold a barbell with an underhand grip.
3
Curl your wrists up as high as possible, squeezing your forearms.
4
Lower slowly, letting the bar roll down toward your fingers for a full stretch.
5
Keep your forearms pinned to your thighs throughout — only your wrists move.
