Increase Core Strength and Tone ABS. Improve POSTURE Exercising muscles around the cor provides the vital ingredient for a stronger body. A stronger core makes you better at all things you do, from everyday life to your favourite sports – it’s the glue that holds everything together. All the moves have options, so it’s challenging but achievable for your own level of fitness. During the 30-minute workout trained instructors guide you through correct technique for exercises like crunches, and hovers. You will also get into some hip, butt and lower back exercises.