The secret to a slim waist lies in a combination of exercises that work your abs, obliques and the transverse abdominals. These 10 waist slimming moves are perfect for toning and defining your waist and abs, and banish those love handles for good! http://www.spotebi.com/workout-routines/at-home-waist-slimming-exercises-for-women/
Vacuum Exercise: The transverse abdominals are the most important muscles to target when you’re trying to flatten your belly. They’re hard to reach—but this do-anywhere move hits ’em. Start on all fours with your spine relaxed and inhale deeply. While you exhale, pull your navel toward your spine and hold for 12 seconds. That’s 1 rep. Repeat for 12 repetitions
Getting flat abs requires more than just doing a zillion of crunches. It requires multi-muscle exercises that target your core, lower and upper abdominals, obliques, Transverse abdominis, and the stabilizing muscles for the lower back.