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. 2013 Jan 9;14(2):159–173. doi: 10.1007/s10162-012-0369-5

FIG. 11.

FIG. 11

Four types of the medial surfaces of the footplate that are different from the general profiles of the medial surface. A Nonobvious medial peak in the posterior region, B nonobvious medial peak in the anterior region, C a small or nonobvious lateral peak around the center of the surface, and D no protruding at the anterior inferior edge.