地球&邮件文章:上身锻炼

上身锻炼问题: Can 您 suggest a few upper body strength 行使s that can be done without equipment?

答案: Push-ups are the most obvious answer, but perhaps also the most boring. In an attempt to spice up 您r 行使 routine, I have included a variation on the basic push-up. 阅读更多

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