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|DOI=10.1111/joa.13481
|accessdate=2021-11-17
}}</ref> The additional length of skin provided by the acroposthion enhances the [[gliding action]]. <ref>{{REFjournal |last=Hill |init=G |author-link= |url=https://www.bmj.com/rapid-response/2011/10/30/foreskin-motion-generates-meissner-corpuscle-stimulation |title=Foreskin motion generates Meissner corpuscle stimulation |journal=BMJ |date=2003-12-16 |volume=309 |issue= |pages=679 |accessdate=2024-12-06}}</ref> The acroposthion may be gradually lengthened over time by [[tissue expansion]].
Moreover, the acroposthion protects the [[glans penis]] and helps to prevent [[keratinization]], while preserving sensitivity. It has also been observed that the acroposthion is useful for containing [[pre-ejaculate]].