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Naver Cafe: https://cafe.naver.com/ultimate01/?vi... Oxygen essential for our body https://smartstore.naver.com/allbarum... [kakaotalk] https://open.kakao.com/o/sGVVXuKf [instagram] / runndiet0 E-MAIL: [email protected] #Supplementary exercise #Running #Running This video provides information on the exercise methods and supplementary exercises necessary for marathon, running, and running.