precor的。做HIIT最好，間歇高阻用力狂踩，每天二三十分鍾大汗淋漓，壯腿減腰腹。小阻力長時間的登，屬於浪費時間。

來源: 愛吃肉的胖子於 2014-11-04 10:22:51 [舊帖] [給我悄悄話] 本文已被閱讀：次

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