Is there any benefit to hemorrhoids from anal retraction exercises

The hemorrhoids are good for the hemorrhoids, the anal retraction exercise is also called anal lifting exercise, hemorrhoids patients often do anal retraction exercise, can improve the local blood circulation of the anus, reduce the stasis and expansion of the hemorrhoidal veins, enhance the contraction and diastolic ability of the anal sphincter, increase the resistance of the anorectal area, avoid and reduce the occurrence of hemorrhoids. The specific practice of anal retraction exercise is to relax the whole body, use the idea and internal work, when inhaling the abdominal expansion to do the anal upward movement, when exhaling the abdominal depression to put down the anus, mention a put for 1 time, do 20 times / time, do 2-3 times / day, anal retraction exercise can be done in a variety of positions such as standing, sitting, lying.