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

来源: Stream123 于 2014-04-10 10:57:28 [档案] [旧帖] [给我悄悄话] 阅读数 : (139 bytes)

回答: 每天运动15分钟，3个月换得性感好身材（优美动图，简单易学）由李十针于 2014-04-08 14:09:50

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

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