Abdominal Muscle Relaxing的意思|示意

腹肌放松 （1） Sitting on chair， both hands flatting on thigh naturally. Abdomen drawing as far as possible， but keeping carrying on eupnea， doing not feel suffocated. Upper body bending front， leg point raising， heel touching ground. Tip of toe setting plane， abdominal muscle relaxing， upper body standing. Repeating 30 times.