As long as you exercise, you can help you lose weight, but 10 days will have no effect. I don't know how long you swim every day Shoulder pain means that you are either weak or in an incorrect posture.

In summer, I usually go swimming at the seaside, and every time it is less than 1 hour, about 2000 meters, and I go there almost every day. Because I'm not fat myself, and I haven't lost weight after swimming, but the meat on my body is not all fat, at least pork belly. It can be seen that swimming can exercise.

In addition, I usually do five or six pull-ups after swimming.

Swimming is generally divided into breaststroke, freestyle and butterfly.

Breaststroke is the most labor-saving, freestyle is the fastest, and butterfly is the most energy-consuming.

I usually use mixed style, because my physical strength is not very good. I estimate that butterfly swimming is about 65,438+00 meters, freestyle swimming is about 50 meters, and breaststroke swimming will be exhausted when swimming for several thousand meters. So all kinds of postures alternate, because you can't always do butterfly stroke, and you have to lose weight. I guess butterfly stroke is the best.