Hellow guys, Welcome to my website, and you are watching 정희원 교수가 강조하는 노년에 꼭 필요한 운동. exercise. and this vIdeo is uploaded by 쉬운건강 (구 안지현TV) Health at 2024-10-07T20:45:39-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.