Results The height of any point on the surface was evaluated, and it was found that two sides of the sacroiliac joint surface showed reciprocal convexities or elevations.

结果通过测量获得骶髂关节面上任意点的高度，发现骶髂关节两侧关节面呈一种类似齿轮样相互咬合与滑槽轨迹相结合的关节面形态。