system of gymnastics nike air max 1 belgium , games may be used for hygienic, developmental and educational purposes. For general hygienic ends their value is great, if for no other reason, than that it usually requires a large air space, often outdoors, to play them. On the other hand, the hygienic value of games is a doubtful one, because the movements occurring in games can only be predetermined in general. That means that they cannot be graded as to quantity or quality with exactness. Exactness, however, in these two things, is an absolute necessity where gymnastics are given for hygienic ends. Such exactness being possible with formal gymnastic exercises, these therefore must always be given a preference where exactness in quantity and quality of exercise is desirable or necessary. The same may be said to be true of the developmental effectsion for pointing a moral offers in the course of a game. The great value of games in this direction lies in the fact that most of the moral teaching reward for proper punishment for improper actions is self administered or then applied by pupil-companions and playmates nike air max classic bw dames zwart roze , not by the teacher. In any