Flexibility in the foot is the biggest recent advance in prostheses, but artificial legs still have no bend in the ankles.

假脚的灵活性是假肢目前最大的进步，然而假腿踝关节仍无法弯曲。

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Further, a catheter may be configured to have a cross sectional profile or a predefined flexibility along its entire length that causes the catheter to bend, curve or move in a predefined direction.

而且，导管可以配置为沿其整个长度具有截面轮廓或 预定的柔性，从而导致该导管在预定方向上弯曲、卷曲或移动。

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Forefoot flexibility to bend grooves increase in activity.

前掌弯曲凹槽增加活动灵活性。

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