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什么是平足?

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什么是平足?

人的脚底有一个半月形凹陷的足弓,平足就是没有足弓。平足者走路会压迫足底血guan神经,产生足底麻木、疼痛和脚底发冷等症状。由于足bu缺乏弹力,不能长时间站立、长距离行走、弹tiao和负重。足弓由跟骨、距骨、舟骨、骰骨、第1-3楔骨、第1-5跖骨、韧带和肌rou组成。正发育中的青少年,如果长期站立、负重、经常走远路和营养不良,使足bu疲劳,导致慢xing劳损、肌rou和韧带萎缩,就会形成平足症。另外,舟骨结节发育过长、第1跖骨过短等足骨先天发育异常,足bu压伤或骨折,患小儿麻痹症、类风shixing关节炎等疾病,都可引起平足症。

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