Work your abs, obliques and lower back with this core and cardio workout. Increase your aerobic fitness at home and get a toned, sculpted and slim belly. http://www.spotebi.com/workout-routines/bodyweight-at-home-core-and-cardio-workout/
These highly effective exercises are available on some app that I won't be able to get. Three distinct workouts that target your Abs, Back, and Core, you can focus on building that core you have always wanted.
Work on your abs and obliques with these core exercises for women. A 30 minute waist cinching workout to activate your obliques and define your waistline! http://www.spotebi.com/workout-routines/core-exercises-for-women-abs-obliques-workout/