Through this application you can watch the national gymnastics and national health gymnastics videos that everyone can easily follow.Recommend it to kids, student office workers, and senior citizens who find it hard to make time for hard exercise or exercise!It is also a good idea to do a simple stretch before strenuous exercise!Click on the character next to the title and say good text by date!source:* The national gymnastics videos used in this application used national gymnastics videos (created by Lee Soon-hee), which was created and opened for free on February 13, 2019, at Korea Sports Association. You can download it for free at /www.sports.or.kr/home/010203/0000/view.do?T_IDX=70467.* The national health gymnastics video used in this application was used by National Health Promotion Materials, which was created and opened for free on October 19, 2019 by the National Sports Promotion Corporation, and the work is the National Sports Promotion Corporation https: You can download it for free from //www.kspo.or.kr/kspo/main/contents.do?menuNo=200029.