引体向上器家用 household pull-up device
免打孔引体向上器 punch-free pull-up device
辅助型引体向上机器 assisted-pullup machines
协助式引体向上训练器 assist dip-chin
大部分壁挂式引体向上器的价格从20美元到50美元不等。
如果你连一两个器械都没有，比如引体向上的杆，或者拉伸器，这时候你的一些肌肉就不能与其他肌肉得到一样的锻炼。
If you don’t have at least one or two pieces of equipment — a chinup bar or a resistance band perhaps — some muscles don’t get worked out as much as others.
背后的秘密工厂绝对值是许多艰苦的工作-随着推器和 引体向上 ，我也约 500 从头紧缩！
Secret behind the fab abs is a lot of hard work - Along with Pull-ups and chin-ups, I also do around 500 ab crunches!
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