At first, I bought a pair of dumbbells 10KG, and just practiced my chest muscles to be a supine bird. The specific method can be searched in Baidu, because there are too many, and I can't say. If you want to lose weight, you should do aerobic exercise, that is, running, skipping rope and swimming. I suggest you run for 30 to 50 minutes every day, preferably from 3 pm to 7 pm. At that time,

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