Squat your legs, one leg spreads out from the side, slides forward quickly, and then the other leg slides forward from the back. .............. has been repeating a torture exercise method, and the effect is good.

Duck walking is to squat down behind your hands and take back your feet. The upper body is not allowed to fluctuate during walking. Being lazy is a good choice. Take a nonstandard step, lean forward and accelerate when the teacher is not paying attention.