1, lie flat with your legs crossed and your hands crossed behind your head, just like doing sit-ups.

2. Take the lower abdomen as the midpoint, lift the upper body, and at the same time retract your feet forward until your elbows touch your feet. This posture is like huddled up. Your mind should focus on your lower abdomen. )

3. Return to the original posture and repeat the above steps for 30 times.

Don't underestimate this method. If you don't do it ten times, you will feel small abdominal pain, and if you do it thirty times, you will sweat.

Second, ride a bike.

1. Lie flat with your legs bent and lifted 45 degrees.

2. Legs alternately extend and contract forward. This posture is like the movement of your feet when riding a bicycle. )

Take a step forward and keep your feet off the ground for about 30-60 degrees for 5 minutes.

This method can exercise thighs, waist and abdomen, which means that these three places can lose more fat.

Third, other sports methods

1. Sit up straight with your feet together and straighten forward. Put your hands behind your head.

2, the body leans back, and at the same time, the legs are straight together. Body form five.

3. Hold the action for 10 second and repeat the above action for 10 times.

You can choose any of the above methods. Many people think that the second method is the most comprehensive, the first method is the most effective and the third method has the highest technical content. Give it a try!