也许这些研究结果告诉我们的是极端情况下的后果,就像你几乎不可能一小时接着一小时地一直做仰卧起坐。在现实生活中,大部分人一般只是做15组仰卧起坐。而即便如此,伤害还是有可能会发生。2005年对驻扎在布拉格堡的美军士兵的研究表明,在两年的陆军体能测试期中,56%的伤害归因于仰卧起坐。
Some people seem to be more prone to back problems caused by sit-ups than others. We might be fine doing 30 sit-ups a day for decades, but we might not and it's hard to know which group we fall into. It could come down to our genes. According to one paper, it's not wear-and-tear that causes most of the difficulties, but genetic factors, which account for three-quarters of the differences between the people who do get back problems and those who don't.
对于有些人来说,仰卧起坐似乎更容易产生腰背问题。反之,一些人每天都做30个仰卧起坐,坚持了几十年,却没有任何异样。我们可能不知道也很难知道我们是属于哪一类人。这可能源于我们的基因。根据一篇文章指出,大部分的问题并非源于不断的摩擦和撕裂,而是遗传因素。人之所以有或没有背部问题,75%是因为遗传的关系。
So sit-ups might lead to back pain, but only in some people. It's a good excuse not to do them. But if you want to crunch those abs, is there a way of limiting the risk? Professor Stuart McGill recommends sliding your hands under your lower back to stop it flattening against the floor. This minimises the stress on your back.
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