Forearms
Watch Tutorial
https://www.youtube.com/shorts/Yz9FoJFkj4s
https://www.youtube.com/shorts/upfAhAPwID0
Sit bench edge, feet flat.
Hold DB each hand, palms down.
Rest forearms on thighs, wrists over knees.
Lower wrists fully.
Exhale, curl wrists upward.
Keep forearms still.
Lower slowly.
Repeat.