We all have them, and many of us think about them pretty frequently. But have you ever considered why we have such sizeable butt cheeks? The anatomical basis for the exceptional size of human butts is due to both a large amount of fat and a large amount of muscle. The latter — the gluteus maximus — adds most of the default bulk, while the layer of fat that sits over it varies a lot more from person to person. Explaining the size of our butt muscles is reasonably straightforward, at least for evolutionary anthropologists like Associate Professor Darren Curnoe from the University of New South Wales. Large, thick gluteal muscles help us remain stable while walking upright, and our pelvises have been moulded by evolution wider side-to-side, but also shallower front-to-back to ease the transition to moving about on two legs, which combine to produce a distinctive curve to our posterior, as well as give us much wider hips.
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Why do we have butt cracks?
Man with no butt crack opens up about his bizarre - and painful - condition - Mirror Online
But seriously, kudos to Redditor "TBoneTheOriginal" for having the guts to post a picture of his non-buttcrack on the Internet and answer questions from curious onlookers. By clicking on the link below, you will be bringing up an image that some people will find disturbing. TBone said the cause of his condition stems from pilonidal cysts, which the Mayo Clinic defines as, "abnormal pocket[s] in the skin that usually contain hair and skin debris. This happened because of severe pilonidal cysts. I've had multiple surgeries on it, and instead of the usual procedure which involves letting it heal, mine was so bad that a plastic surgeon had to close it up. But they keep coming back, and it'll probably just get worse as I age. My butthole looks the same as anyone else's!
Man with no butt crack opens up about his bizarre - and painful - condition
The user told reddit the abnormality is caused by severe pilonidal cysts on his tailbone. A man who lost his butt crack to an unpleasant disease has shared his story of life without this vital piece of anatomy. The user, calling himself TBoneTheOriginal , took to Reddit to share his abnormality, which is caused by severe pilonidal cysts. The condition causes painful cysts to occur at the bottom of the tailbone and they can become infected and full of pus.
In the study group 's fifth year together at Greendale , a serial prankster who had been dormant for over a year suddenly resurfaced. He terrorized the campus by inserting quarters into the ass cracks of his unsuspecting victims. Although most students feared his wrath, others chose to idolize his antics. A song was even written about him entitled " Ass Crack Bandit ", the same moniker which had been given to the perpetrator.