Caroline Sandry: 30 Days to Flat Abs - Core Strengthening

Caroline Sandry's Pilates: 30 Days to Flat Abs is designed to help you train your core to be stronger and more toned in just one month. These 7 x 10 minute routines will strengthen your muscles and create a firmer tummy. "Core Strengthening" is the last routine of 7 for flat abs.