这种完全正常的向内翻转称为“内翻”。

This entirely normal inward rolling is called pronation.

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脚内翻是脚触地后的稍微内翻，以均匀吸收触地后的冲力，这是一个正常而必要的的动作。

Pronation is the gentle roll of a foot inward after making contact and it is normal and necessary for a foot to evenly absorb the impact of striking the ground.

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结论该法治疗先天马蹄内翻足，符合生物力学逆转原理，能有效恢复患足正常生理解剖。

Conclusion This method is used according as the course in which the deformities reverse in biomechanics and these feet can get normal physiological anatomic construction.

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