1. Hold the machine, kneel on the leather cushion roller and hook the cushion with your feet;
2. Put your elbow on the leather pad at the head of the machine and lean firmly against it;
3. The handle on the nose should be lightly applied by hand without affecting the elbow support;
4. The chest, head up, thighs and calves are at an angle of 30-45 degrees to ensure the stress on the waist and abdomen;
5. Abdominal force, forcibly sliding forward at a constant speed and raising as much as possible;
6. After reaching the highest point, put it back at a uniform speed and control your feet so that the cushion does not touch the end of the slide.
7. Continue to slide back and forth until you feel powerless to use it.
If you can exercise for 5 minutes at an average speed of/kloc-0 per second, you can achieve the ideal exercise effect.
Structural characteristics of ab coaster
1. Customized high strength steel;
2. Bear150kg;
3. The additional weight of 10 kg can be added to the side;
4. The foot pad can be adjusted, fixed at multiple angles and can slide freely;
5. dynamometer