Do you know the correct posture for sit-ups? Have you done it right?

Laura Metcalf of Indianapolis, USA, has been doing waist and abdomen exercises for 15 years. However, "I did countless abdominal muscle exercises, but I didn't try to do real sit-ups until a physical coach recommended it. I couldn't believe that it was so difficult to do a standard one." She said.

　　Did you do sit-ups right?

　　Which is more beneficial, Crunches or Sit-up is a very controversial topic abroad. People in China often call both sit-ups, but they are actually very different.

　　The so-called Cruches (abdominal muscle exercises), the key to the movement is to lie on the ground. , bend your knees 90 degrees, place your feet flat on the ground, and place your hands and fingers behind your head but do not exert thrust on the head. Use force on your waist and abdomen, and keep your back on the ground. On the basis of keeping your shoulders close to your pelvis, that is, only the torso above your waist and abdomen off the ground.

　　Sit-up, which is what people call sit-ups in the usual sense, start with similar postures, lying on the ground, bend your knees 90 degrees, place your feet flat on the ground, cross your hands in front of your chest, use force on your waist and abdomen, and the entire upper body leaves the ground, approaches your thighs, and then returns to your original position.

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