Moire Method is used to study the modifications of back shape of patients, with Postural Disturbances. Those mOdifications are induced by exercises or postures of auto- -correction, like changing the position of feet, plantar support, tilting of pelvis, side-shifting or by introducing prismatic lens. From all patients with Postural Disturbances, we obtain a first Moire topogram in usual standing position. A second one is obtained after teaching the correction. This second Moire topogram confirm or deny the pretended effect of the correction teached.