The lower leg is represented by the medial crura whereas each upper leg consists of a lateral crural complex based bilaterally on the piriform aperture.
下方的腿代表的是内侧脚，同时上方两条腿则代表双侧的梨状孔上的外侧脚复合体。
Content summary: the tibia is the medial and active bone of the lower leg, which plays an important role in supporting weight.
胫骨是小腿的内侧骨和活动骨，对支持体重起重要的作用。
At this point in time there should be no medial or lateral tilt to the lower leg.
在这个时候不应该有任何内侧或外侧倾斜的小腿。
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