Gymnastic apparatus, structured metal and for physical exercise against gravity by a method known by the name of gravity.The apparatus similar ones, which is intended for the exercises according to the same method, have a single level of inclination, can not be closed, does not allow the replacement of platform jumping on the other component in this case is a solid and extension board , as well as do not have side straps.The model object of this report is foldable, as is shown in Figure 2, is a resource gradient in eight levels, is provided with straps (1) and (2) the sides of the supports (3), (4), (5) and (6) for the feet, and allows the exchange of the board (7) to extend the platform (8) of the jump.With the innovations that bring about the models known, the equipment in question facilitates the transportation, the guard in a smaller space, and excellence in the years pulled the triceps, pulled biceps, abdominal and later work of the thighs.
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