How do I get flat lower abs? Hey everybody! we hope you are well for today we have a series of exercises like no other to change your lower abs! Good luck! These lower abs exercises for women are challenging but seriously effective! Get a flat stomach with this lower ab workout and exercises to tone your abs and core. These are some of the best lower ab exercises for women. Do as many of each exercise as you can with good form for 45 seconds. Tone your lower abs with a 15-minute workout.