This includes outlining when to teach technical components to students in their ballet careers, for how long to focus on it, and the right amount of focus at each stage of the student's career. These textbooks continue to be extremely important to the instruction of ballet today.The method emphasizes development of strength, flexibility, and endurance for the proper performance of ballet. She espoused the belief that equal importance should be placed on the arms and legs while performing ballet, as this will bring harmony and greater expression to the body as a whole. More Info below.