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This study shows that length of the external anal sphincter definitively influences muscle strengths, and severe anal stretching will result in muscle damage. Find gay how to wear ball stretchers sex videos for free, here on . Have a seat and watch this amazing Beautiful Black Cock Stretches Twink Ass gay xxx tube video for absolutely free If you like the Black, Hardcore. By histologic examination, it was revealed that when the muscle was stretched at the ARP plateau phase, an ischemic zone of necrosis and an edematous zone of necrosis could be clearly identified in the muscle. It was found that if the muscle was stretched from 100 to 300 percent of its original length, anal resting pressure (ARP) kept relatively steady, but anal contracting pressure (ACP) gradually increased from 300 to 370 percent, a sharp ARP increase was developed, but ACP gradually decreased to zero beyond 370 percent, ARP remained unchanged (plateau phase). Elegant teen stretches wet crack and loses virginity, Cunt, Defloration. Anal stretching was conducted by an 8-F Foley catheter balloon. Selfies Cock Rings And Ball Stretchers,Cock And Ball Ring Bondage Porn ,Gay Fetish Xxx Neoprene Cock And Ball Ring,Gay Fetish Xxx Big Gay Cock Ring porn. Riley Reid gets her hairy teen pussy pounded, Amazing, Big Cock, Brunette. Animals were divided into three groups: control group, quick stretching group, and continuous overstretching group.
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This study was performed on 37 guinea pigs. This study was undertaken to investigate the effects of anal stretching on anal pressures and damage to the external anal sphincter.