双手交替运动，腰部不容易出问题。左肩也练练又何妨？：））

来源: coach1960 于 2019-10-28 13:55:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.