Great! Warm-up few minutes FIRST before you start it, and Google

來源: Stream123 於 2014-04-10 10:57:28 [] [舊帖] [給我悄悄話] 閱讀數 : (139 bytes)

Great! Warm-up few minutes FIRST before you start it, and Google- how to take care knees (avoid injuries) and lower-back (avoid pain).

請您先登陸，再發跟帖！