The special feature of movement
It is the sport which can 味わ the pleasant feeling which just resembled the spacewalk by using well the inertia, the centrifugal force, the gravity, etc. of the sense of balance and position feeling of the body, and movement rather than it uses muscular power.
The physical effect by movement
The blood circulation promotion same since it becomes an important point maintaining the right posture in total, when degradation of a posture can recommend an abdominal muscle, the back, etc. to the children who pose the problem as the hanging-down way of staying healthy, prevention of the stiffness of the shoulders and lumbago, reform of the backbone, etc. will be raised.
Moreover, it is safe, and the dissolution with insufficient movement and the workout effect are expected, and the disabled person and the female lover are increasing rhonrad movement with much quantity of motion from appearance.
Especially the joy which took out courage and rotated and the feeling of achievement serve as the confidence to the person with mental disorder. Moreover, while support assistance of the feeling of opening to inversion is offered when becoming a dissolution of stress, and it suits, it is also raised in the process which masters work that good human relations are built.
history of rhonrad
Those which is called the Otto Feik of Germany devised rhonrad movement as "a child's plaything" in 1925.
Formally, it is called RhonRad (a meaning called the ring considered in the rhon district), and the difficulty of pronunciation is avoided and it is called "ra-to" in Japan.
rhonrad has spread and developed focusing on Germany as a plaything and a game.
Although World War II was interrupted, in West Germany, the athletic meet was held in 1960 and the subsidiary basis of a German gymnastics league and systematic activity have been continued after that.
Although used for training activities of aviation pilot cultivation as "so-tenki(a hoop) " in Japan at the time of World War II, after the great war disappeared entirely.
Then, the Hasegawa Kiyonao of the lecturer of University of Tsukuba brings home from Germany of a studying-abroad place, and as a new sport, spread activities start again and he is broadly enjoyed as a game sport, a lifelong sport, or an obstacle sport now in 1989.
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