Methods The sacroiliac joints of 12 corpses were minute dissected, and the X-ray manifestations of the sacro iliac joint of 24 corpse and 200 living body were measured or analyzed.

• 方法对12具尸体的骶髂关节进行了详细解剖和观察，并对尸体24个和活体200个骶髂关节的X线表现进行了测量和分析。