Hellow guys, Welcome to my website, and you are watching 잘못된 달리기 자세, 매 걸음마다 무릎에 3배 부담됩니다. 제발 이렇게 뛰세요 (김병곤 박사 1부). and this vIdeo is uploaded by 지식인사이드 at 2024-12-11T02:30:12-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.