Top 10 Things Most Humans Can't Do With Their Body

Let's take a look and see if you could actually do these things. Don't get worked up if you couldn't, though. They are proven to be almost impossible to do.
The Top Ten
1 Lick your elbow

It's about impossible for most people to lick their elbows. Only one person in a hundred can lick their elbow according to unofficial estimates. Unless you've been blessed with a short upper arm and an abnormally long tongue, there's no way you could be able to do it, no matter how hard you try.

I hate my elbow, it talks to me a lot. My conscience and my elbow keep fighting all day.

Whenever I hear this, all I think of is that one scene from iCarly where Spencer is trying to lick butter off his elbows.

2 Tickle yourself

A part of the brain, called the cerebellum, monitors our movements and can distinguish whether sensations are expected or unexpected. Since it is trained to predict sensations when an action is caused by your own movements (but not if someone else's), if we attempt to tickle ourselves, our brain prepares itself for it. In short, the brain prevents us from self-tickling.

However, there are actually some people who could do such a thing. Because of their inability to distinguish self-initiated actions due to neurological changes in the brain, people with schizophrenia are able to tickle themselves. So, while they are aware of their own intentions and movements, their brain's ability to notify the person's body about it is impaired, and therefore their brain cannot prepare itself for the tickling.

3 Sneeze with your eyes open

Most people can't keep their eyes open when they sneeze, with the exception of a few people. According to experts, it is the "sneeze center" of our brain that sends an involuntary reflex to clamp our eyes shut during a sneeze. It happens automatically. One age-old myth claims this is to prevent your eyes from popping out. However, it is actually the body's way of preventing germs from entering the eye.

It seems technically impossible, but I don't believe either that it would make your eyes pop out. Most people seem to fall for the myth.

4 Put your legs around your neck

Even when I was 9, I was able to do this. I am not a contortionist, but at that time, I was dancing for four years. It is painful though. I could do this without a warm-up.

It can be done with lots of patience and consistency in physical flexibility.

I once did that. Takes a bit of stretching.

5 Raise your eyebrow

Most people can actually raise their eyebrow, but it's usually just one of the two eyebrows. The ability to raise both one at a time is quite rare. But with practice, you'll be able to train your muscles to do it.

I can only do this involuntarily when someone says or does something stupid, suspicious, or aggravating. The same goes with rolling my eyes.

I can raise my right eyebrow easily. The muscles around my left eyebrow don't seem to allow it though.

6 Tongue tricks

Rolling your tongue is rather common. About 25 percent of people are able to do it. However, not many can fold it backward or make shapes like a spaceship or cloverleaf. These all require muscle control and tongue dexterity. Though some claim this ability indicates dominant genes.

I can (sort of) do the bottom left one, but I don't understand how someone could do the bottom right!

I can only do the bottom right one, not the other three.

7 Touch the tip of your tongue to your nose and chin

Most people can't touch their nose and chin with the tip of their tongue. Just about 10 percent of the population can. In medicine, the ability to do this act is called the Gorlin sign.

I once couldn't do it, but now I can (nose).

I can touch my chin but not my nose.

8 Fit your fist in your mouth

Most people can't put their entire fist in their mouth, since a human hand is usually a lot bigger than the opening of their mouth. A few are able to do this, however, simply because they have small fists and big mouths.

Having to get it out would be painful.

9 Wiggle your ears

Most couldn't wiggle their ears. Only 15% of people can. But fear not, for you could still train yourself to do it!

I can do that. I used to wiggle my ears to annoy my hairdresser when I was a kid.

This is practically impossible for me to do without using my hands.

10 Twitch your nose

Most people can't twitch their nose unless they have a "Hemifacial Spasm". In fact, even Elizabeth Montgomery, the actress who portrayed Samantha Stephens in "Bewitched", just moved her lip to make it seem like her nose was twitching, when it really wasn't.

What's that? Watching Twitch all day and sticking your nose to the screen?

I have to move my mouth like most people.

The Contenders
11 Bend your thumb backward

I can do this on my left hand but not on the right.

Edit. I can't really do this on my left hand either if we're talking about the 2nd joint, but the 1st is still much more flexible than that of others or my right hand.

I looked it up on the internet and now I am 100% sure my thumbs are double-jointed at the second thumb joint.

I can do that but at the lower joint than the one in the picture.

12 Bend backwards
13 Stick all of your toes in your mouth
14 Bend your arm backward

I can do this! It's fun to freak people out with it.

15 Make your heart stop

That can be done easily by going on thrill rides, watching horror movies in theaters, going to haunted houses, meeting stars you've anticipated so much, doing extreme athletic moves, or not following your healthy routines each day.

I saw a TV program as a smaller child where people (professional magicians) could do very extreme things with their bodies. The only one I remember was a rather chunky man who could make his heartbeat stop for almost a whole minute.

16 Vomit on command
17 Separate all toes
18 Touch your foot to the middle of your back
19 Twist their arm in a 360

I would do this when I was like 9 years old.

20 Give middle finger with toes
21 Separate pinky from the rest of toes
22 Touch your ankle with your mouth
23 Be completely steady

Actually, no one can be completely steady as the body's designed to move and our motor skills are imperfect. Yet, we exert energy at the same time and experience fatigue. We're always unsteady and shaky, and even when we sleep, we move around.

24 Turn your head 180 degrees
25 Twist your tongue
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