There are weight-bearing clothes and gravity rooms. In the first movie, the Monkey King carried a turtle shell for the first time, weighing only 20 kilograms, but his strength can reach tens of thousands of tons, because martial arts is different from fitness. For example, a small-scale Bo Qiu barbell is only a few kilograms, and he can build hundreds of kilograms of strength, so can Fido, but these people are not my idols. They are on the earth 1 gravity height is good, 2 short, 65438 short.