Awesome Abdominal Workouts For Women! ant a flat tummy? Check out our ab workouts to get a flat, toned tummy quickly with tips. These lower abs exercises for women are challenging but seriously effective. Check out some of the best lower abs exercises. Basic crunches can't flatten your belly. Abs are one of the hardest body parts to train. To tone your abs, you need professional and scientific core muscle exercises and we have just that for you! Try this amazing workout today!