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Old 04-04-2011, 12:43 PM   #1
wuplive520
 
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女性在20岁之前不宜穿超过3CM的高跟鞋
女性穿上高跟鞋,重心前移,挺胸收腹,Sale Chloe Bags,显得健美、轻盈,风姿绰约。但是并非每一个女性都适合穿高跟鞋,尤其是20岁以前的青春期少女更不宜穿高 跟鞋。 处于青春发育阶段的少女,骨结构中软骨成分较多,骨组织内含水分和有机物多,无机盐少。骨质柔软,极易变形 。女孩子过早地穿高跟鞋会引起骨盆和足部形态发生变化。 骨盆是由骶骨、尾骨、左右髋骨、韧带和关节结合而成的一个骨环,这个骨环的结合过程一般从7岁 开始,Chloe Bags UK,到25岁基本定形。骨盆是人体传递重力的重要结构,穿平底鞋时,全身重量由全足负担;穿高跟鞋时,全身重 量主要落在脚掌上,这样就破坏了正常的重力传递负荷线,使骨盆负荷加重,容易引起骨盆口狭窄,给成人后的分 娩带来困难。
另外,穿高跟鞋还有可能使骨盆发生不易觉察的转位,影响骨环的正常结合,导致骨盆畸形。 足骨的发育成熟大约在15~16岁。鞋的大小直接影响足骨的生长。过早地穿高跟鞋会使足骨按照高跟鞋的角度 完成骨化过程,容易发生跖趾关节变形、跖骨骨折及其他足病,这些病都会引起足部疼痛,严重时可影响行走、活 动。 因此青春期的少女不宜穿高跟鞋,Chloe Bags On Sale,特别是那种跟高7~8厘米的超高跟鞋。从生物力学的角度看,平时以穿坡跟鞋或跟高不超过3厘 米的鞋为宜。
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