1 min Thigh is thin. Stand at attention with your whole thighs and your hands at your sides. Bend your knees and touch your toes with both hands (don't push too hard at this time). The trick is to bend your knees, not your back muscles. Then gently return to the original position. This action takes about 3 seconds. At the beginning, you should aim at 1O seconds for three times, and then accelerate after you get used to it. The inner side of the thin thigh starts from the standing posture at attention, and the right foot takes a step forward, and the knee is slightly bent. Put your hands on your waist. When jumping, the left and right feet are exchanged (pay attention to keeping your back straight at this time). Jump up and switch feet, and count one and two at the same time. At first, I did it 1O times every second, but later I got used to it and the speed increased. Stand at attention with thin legs. Lift your right foot to the right and your left hand to the left. At this time, pay attention to the balance of the body. The trick is to kick hard. Gently return to the original position. Do it again on the other side. This action takes about 2 seconds. At the beginning, aim to do it five times in 1O second, and then accelerate after getting used to it.