NCBI Bookshelf. During a bowel movement, the indigestible parts of our food leave our body. Several parts of the end of the gastrointestinal tract control bowel movements: the rectum and anal canal, the sphincters circular muscles , and hemorrhoids. These are embedded in the pelvic floor muscles.
This page has been produced in consultation with and approved by:. The type of pain felt in the abdomen can vary greatly. Children may feel stomach pain for a range of reasons and may need treatment. Around half of cases of anal fissures heal by themselves with proper self-care and avoidance of constipation. Anyone of any age can be struck by appendicitis, but it seems to be more common during childhood and adolescence.
Jump to content. Rectal prolapse occurs when part or all of the wall of the rectum slides out of place, sometimes sticking out of the anus. See a picture of rectal prolapse. There are three types of rectal prolapse.
Like other muscles, your anal sphincter is only accustomed to stretching so far. Your anus is full of sensitive nerve endings that make anal play feel oh so good. Anal training can make anal penetration of any kind pleasurable.