Thanks for your query.
Generally none is able to see his internal anal sphincter.how you are managing it is a great surprise . If there is no fecal incontinence
, it is no doubt is normal. Damage can occur to internal anal sphincter in those who indulge in anal sex.
‘Hope I have answered your query, I will be available to answer your follow up queries, “Wish you Good Health and trouble free speedy recovery”