-Swing arm: The included angle between the big arm and the small arm is 90 degrees, with the shoulder as the axis, and the swing amplitude is 3/2. Don't sink your shoulders, and you don't need to shrug your shoulders, clasp your palms, half-clench your fists or open your palms, so you are very comfortable. Pay attention to the swing direction of the elbow joint when swinging. The elbow joint should swing back and forth, the wrist joint should be close to the waist, and the hands should be parallel to the eye line of sight when swinging forward.
-Leg-lifting running: The ankle joint, knee joint and hip joint are instantly pushed into a straight line to maintain a high center of gravity. The thigh is parallel to the ground. When lifting the leg, the toes are slightly raised and naturally pressed down.
-Wheel running: Stand upright, lean forward about 45 degrees, put your hands on your sides or chest, and then roll forward alternately from left to right.