Dr. Alex Kor, the president of the American Academy of Podiatric Sports Medicine, told HuffPost that the most important feature in any shoe is the shank, the supportive structure between the heel and the toe. “Patients are more likely to have foot pain if their shoes bend in the shank,” said Kor.

美国运动足病医学学会主席亚历克斯•科尔对《赫芬顿邮报》说，任何一双鞋最重要的特征都是腰铁，就是脚后跟到脚趾的支撑结构。“如果鞋子在腰铁处弯曲，病人就更有可能脚痛，”科尔说。

Crocs, according to Kor, “are the ‘poster child’ for shoes with a flexible shank. ... In other words, on a daily basis, I see patients who come into my office complaining of arch or heel pain and they are wearing Crocs,” he said.

据科尔说，洞洞鞋“是腰铁易弯曲的‘典型代表’……也就是说，每天，我都能见到来我办公室抱怨足弓或脚后跟疼痛的病人，他们都穿着洞洞鞋，”他说。

“The only two types of patients that may benefit from wearing Crocs are patients that have a very high arch or those who suffer from excessive edema of their legs and ankle,” Kor said. “But, under no circumstances can I suggest wearing Crocs 8 to 10 hours per day.”

“只有两种病人也许能从穿洞洞鞋中获益，一种是足弓特别高的病人，另一种是腿和脚踝过度水肿的病人，”科尔说。“但是，我绝不会建议每天穿洞洞鞋8到10个小时。”

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