In order to exercise well, it is important to know exactly where your body is in a given space. The body positions shown here are basic to dance all over the world, because they are basic to our body shape and function. It is important to learn them well since it is easier to execute any movement with care and precision if you have a formal position to start from and return to. The positions known as 1st and 2nd can be done either with the legs turned out or with the legs parallel.