Twist boards aren’t designed to help you achieve a six-pack, or highly-defined abs . Unless you use handheld weights while you’re twisting, they also won’t help to define the muscles in your biceps or triceps.
Is twisting Good for abs?
Twist boards aren’t designed to help you achieve a six-pack, or highly-defined abs . Unless you use handheld weights while you’re twisting, they also won’t help to define the muscles in your biceps or triceps.