博文
Daily Yoga for everyone
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You don't need to go to any Yoga classes. Just open up your chest (挺胸), push your belly button toward your back (收腹) and tuck your tailbone in (夹住尾巴做人
). The first two sound familiar, because the PE teacher in college told me so.
https://wap.sciencenet.cn/blog-306792-749194.html
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