Is It Normal For Your Feet To Be Different Sizes?
Like everything else on your body, it is normal for your feet to not be identical. Typically the left foot is larger than the right. Why?
就像你身体上的其他部位一样，双脚大小不完全相同是正常的。通常情况下，左脚会比右脚大。这是为什么呢？
Because most people are right side dominant and therefore, it's easier for them to keep their balance when they step forward with their left foot. This makes them rely on the right side of their body to keep them steady. This causes the left foot to be exercised more overtime and grow stronger, increasing its size.
因为大多数人是右利手（右侧身体更占优势），所以当他们用左脚向前迈步时，更容易保持平衡。这使得他们依靠身体的右侧来保持稳定。久而久之，这就导致左脚得到了更多的锻炼，变得更强壮，尺寸也随之增大。
Some Interesting Facts
一些有趣的事实
60% of adults have one foot that is either longer or wider than the other.
60%的成年人有一只脚比另一只脚更长或更宽。
The difference between shoe sizes is actually very small and is only 1cm difference in length. (Example: a women's size 5 is designed for feet that are 23.7cm long, and a size 6 is made for a foot that is 24.6 cm long)
鞋码之间的差异实际上非常小，长度上仅有1厘米的差别。（例如：女鞋5码是为脚长23.7厘米的人设计的，而6码则是为脚长24.6厘米的人制作的）
Noticeable differences in size are typically linked to health issues such as spina bifida, clubfoot, and scoliosis.
明显的大小差异通常与一些健康问题有关，比如脊柱裂、马蹄内翻足和脊柱侧弯。
Injuries can affect the foot's measurement when they happen as the feet are still developing, such as being put into a cast at an early age. The foot's muscles tend to be smaller and weaker than the one not in a cast.
当脚部还在发育时发生的损伤会影响脚的尺寸，比如在幼年时脚部打了石膏。打石膏的那只脚的肌肉往往会比没有打石膏的那只脚的肌肉更小、更弱。
What You Should Do If Your Feet Are Different Sizes
如果你的双脚大小不一样，你应该怎么做
If there is a noticeable difference in the size of your feet, make sure that you buy non-matching size shoes that fit your feet accordingly. If the difference is less noticeable, go for the larger size and use an insole for your smaller foot.
如果你的双脚大小有明显差异，一定要购买尺码不匹配但分别适合两只脚的鞋子。如果差异不太明显，就选择较大的尺码，然后在较小的那只脚上使用鞋垫。
翻译：豆包
整理：2025年2月22日于北城家园
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