Foot and ankle biomechanics.

With the advent of imaging advancements there has been renewed interest in the foot and ankle. However, many of the basic functions and biomechanical considerations of the bones, joints, and specialized tissues of the normal and dysfunctional foot and ankle remain unfamiliar to many radiologists. This article focuses on the basic biomechanics, normal alignment, and common alignment disorders of the foot and ankle that are relevant to radiologists.