Activation and function of muscle groups that are shortened due to scoliosis of the spine, is the basic principle of the method. This is achieved through a series of exercises, which aim at activating the muscle groups that cannot function due to the rotation and lateral inclination of the spine, in combination with diagonal mobilization.
(Quantitative photogrammetric analysis of the Klapp method for treating idiopathic scoliosis. Iunes DH1, Cecílio MB, Dozza MA, Almeida PR.)