Exercise machine with means to twirl the waist of a user

摘要

An exercise machine including a base on which a box body is mounted. The box body is provided with two locating spring pieces which are fastened with an upper locating block. The box body is further provided to a lower locating block. The upper locating block and the lower locating block are provided with a V-shaped slot. A seat rod and a pedal rod are fastened with a braking block which is provided to two tangent surfaces which are engaged with the V-shaped slots of the upper locating block and the lower locating block. The seat rod is provided with a seat pad fastened thereto. The pedal rod is provided with two pedals fastened pivotally thereto.