Dynamic and static observation of defecate process showed the full-filling and defecation image when patients was resting,lifting anus,defecating,and ARA,DUAC,DSPC,DSR were measured.

• 观察患者静息、提肛、力排时充盈像和黏膜像。并测量肛直角(ARA)、肛上距(DUAC)、乙耻距(DSPC)、骶直距(DSR)。结果110例便秘患者中9例正常,101例异常。