First, sit up straight, hold both sides of the chair with both hands, lift your legs and straighten your toes, and at the same time tighten your abdominal muscles and slowly hook them up.

Toe, put it down. This action can effectively tighten the calf, thigh, arm position and abdominal muscles.

Method 1: Sit-ups

A: Lie on your back, cross your legs and put your hands behind your head, just like doing sit-ups.

B: 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 looks like crouching, so your attention should be focused on your lower abdomen. )

C: Go back to the original posture, repeat the above steps and do thirty.

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.

Method 2: Ride a bike.

Answer: Lie flat with your legs bent and lifted 45 degrees.

B: The legs alternately stretch forward and retract. This posture is like the movement of your feet when riding a bicycle. )

C: Take a step forward and keep about 30-60 degrees off the ground. Hold for 5 minutes.

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

Method 3:

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

B: Lean back and lift your legs together. Body form five.

C: Keep the action 10 second, and repeat the above action 10 times.

Most 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.