. A cushioning mechanism for a treadmill comprising:
a) a handle frame assembly having an electronic console located on a top thereof and two base bars located on a bottom thereof;
b) a platform frame pivotally mounted above two base bars of the handle frame assembly and having a continuous belt working in cooperation with a motor, a belt, a front roller, and a rear roller to ensure a circulating operation;
c) two ⊃-shaped rigid connection elements, one connection element of the two ⊃-shaped rigid connection elements pivotally connecting each side of the platform frame to a corresponding one of the two base bars of the handle frame;
d) two pivotal rigid cushioning elements, one cushioning element of the two pivotal rigid cushioning elements having a first end connected to each of two opposing sides of the platform frame and a guide wheel located on a second end thereof and slidably engaging a top surface of the corresponding one of the two base bars of the handle frame; and
e) two auxiliary support elements, one of the two auxiliary support elements is connected between each of the two opposing sides of the platform frame and the handle frame assembly.