Flat support! Flat plate support is a kind of safe, instrument-free, suitable for all ages and convenient to use. This action saves the most time and effort. You can do it in the office or at home. I weighed 87.5 kilograms when I was the fattest, but I can do it for more than a minute. Later, with my weight loss, my flat support can be from one minute to two minutes, then to three minutes, five minutes, eight minutes, ten minutes, twelve minutes, and finally I broke through fifteen minutes. My record at present is 7 minutes. When I support myself on the tablet for more than 4 minutes, my body will sweat a lot. Five minutes of flat support consumes the same amount of energy as running a kilometer.