Home Videos 20 Minute Standing Abs Workout for A Smaller Waist and Flat Tummy 20 Minute Standing Abs Workout for A Smaller Waist and Flat Tummy YTEvoUser Mar 18, 2023 comments off Tweet on Twitter Share on Facebook Pinterest brian syuki flat tummy focus fitness small waist and flat tummy smaller waist standing abs standing abs workout standing abs workout for a smaller waist standing abs workout small waist