1, key points of auxiliary belly roll: relax your head, grab the feet of the yoga mat with both hands, and pull up the fitness mat when you roll your belly. Yoga mats can be replaced by towels, with the waist always attached to the ground and the hips slightly raised.

2. Breathing: Inhale when lying on your back, exhale when abdomen is closed, and reasonable breathing is the key factor to ensure lasting exercise.

3, the feeling of movement: the whole process, the neck is relaxed. When rolled up, the abdomen contracts, especially in the upper abdomen.

Reverse abdominal roll

4. When rolling up the hips, squeeze the lower back with both hands to reduce the pressure on the hands when lowering.

5, get up and exhale, fall and inhale.