It is every woman's wish to lose weight successfully without "shrinking" breasts. However, how can there be such a perfect thing in reality? Chest cells are mainly fat. After losing weight, the fat is reduced and the chest will naturally shrink. The expedient measure is to exercise the chest muscles to make the chest stronger. The following two models can exercise chest muscles and tighten arm lines at the same time, killing two birds with one stone. Simple weightlifting 1. Lie on the ground and bend your knees. 2. Hold dumb poison in both hands and extend it to both sides. Elbow slightly bent, about four inches from the ground. 3. Slowly lift the dumb poison and exhale. 4. Slowly put down the dumb poison and inhale. 5. Repeat the action 3 and 40 times. Palm pressure change 1. Kneel on the ground. 2. Bend forward and put your hands on the ground. The distance between hands is approximately equal to the shoulder width. 3. Keep your back straight and your hips tight. 4. Bend your arms slowly and rest your chest on the ground. 5. When you reach the bottom point, slowly push your body up and return to its original position. 6. Repeat the action 4 and 50 times.