通常，旋转骨骼添加到骨骼中，是为了防止胳膊和腿部在极端扭曲状态下的皮肤变形。

Twist bones are often added to skeleton rigs to prevent skin deformation problems on arms and legs when they are in extreme twist configuration.

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通常，旋转骨骼添加到骨骼中，是为了防止胳膊和腿部在极端扭曲状态下的皮肤变形。

Twist bones help to distribute the deformation induced by twist from start to end of the limb.

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