The aim of this weight training is not only to work out on the deep abdominal muscles but to strengthen the back muscles too. The important peculiarity of this class is its versatility. This kind of training is suitable for anyone: the level, age and physical condition doesn’t matter. Doing different difficult exercises which require to have strong abdominal muscles and back you can regulate the whole process by using different weights. Duration of the whole training is only around 30 minutes. It can be like additional training to your main workout.