Physical pictures, taken by yourself
Usage:
1. Continue to move many times until your arm is numb.
second, the first handle of the chest expander is tightly attached to the clavicle on the chest, and the left (right) hand holds the other handle, chest out and abdomen in, and the left (right) hand retracts from the outside to the inside, and then opens and restores after a pause.
3. Sit up straight with your upper body, your legs flat, your hands supporting your waist, and the handles of the chest expander are close to the inner thighs, then your legs are slowly compressed inward, and then they are restored and opened after a pause.
after exercise. In a short time, it is normal to feel that the arm muscles, flexor muscles and thigh muscles are sore, but after a long time, exercise benefits from gradual adaptation.