Nearly all the exercises from the very first tend to accomplish this result. The expansion of the chest, the pivotal flexing of the torso, the lifting of the feet, the stretching, the co-ordinate action between the summit of the chest and the balls of the feet, and the exercises in sitting and standing, all tend to establish this most important condition. There must be activity at the summit of the chest. The head and the chest are the first to give up and sag. We can see that the skeleton has no bones below the breast bone to support it. The lower ribs are floating ribs and the other ribs have an angle downward. Everything is arranged with reference to the expansion of the chest. This is the central activity in standing properly. We can see, as has been shown, that man is held up seemingly from above. Man comes into stable equilibrium only when the body is supported from the summit of the chest. Levitation opposes gravitation. It will be observed that the first exercises concern the expansion of the chest and when the exercises are properly performed, this expansion of the chest is indirectly sustained through them all. If we observe a person standing properly, we find that a line dropped through the centre of the ear will fall through the centre of the shoulder, the centre of the hip, and the centre of the arch of the foot. The things that cause bad positions are: the chest inactive, the hips sinking forward, the head hanging downward or lolling to the side, the body sinking to the heel, and weak knees; but all of these seem to be corrected when the chest is properly expanded and elevated. To stand well, therefore, one should stand upright; the chest well expanded so as to bring all parts into co-ordination and establish a true centrality in the body. In a certain sense, there seems to be an axis of the body by which it rests easily upon one foot while the other leg and hip are perfectly free. The body is also perfectly free to pivot and to pass the weight to the other foot. The recommendation to "stand tall" is more or less helpful, but there must be some qualification. Stand tall, but not with rigidity or stiffness. The body must be elastically and sympathetically tall, and also sympathetically expanded, man must stand as if held up from above rather than from below, expanded and elevated by feeling and thought rather than by mere will. The centrality, ease and harmony of the poise are of more importance than the tallness. When one stands properly on one foot a spiral line from the top of the head to the foot is developed. The head inclines slightly toward the side that bears the weight, the torso slightly inclines in opposition and the active lower limb takes a slightly opposite inclination. This line which has been called the line of beauty is very common in nature. It is found all over the human body.