As for the physical strength of child, tendency to drop has around 1985 pointed out by peak in the long term, and it becomes clear that disorder of thing and lifestyle that bipolarization advances to is connected for physical strength drop, and we are arrested with serious problem by child and child who is not so exercising positively.
Society environment and lifestyle that which "the whole life becomes convenient" surrounds "space, friend decreased in time for outside play" child greatly change into physical strength drop of child, and it is thought that various factors are connected with each other and occur.
It is source of human activity, and physical strength greatly affects mental enhancement such as will and willpower other than maintenance of health. Physical strength drop of child leads to drop of national overall physical strength in the future, and power to support vitality and culture of the whole society decreases, and it may be said that the whole society is important problem that may be going to stagnate.
Children of Saga got close to exercise, and our site planned improvement of physical strength by moving body and established mind and body for upbringing of "sagan kids" healthy together.