Why Does Hitting Your Funny Bone Hurt Freezing Burning Electrocuted
WHEN SHOULD I WORRY Well-nigh...
Why Does Hit Your Funny Bone Hurt So Much?
Feb. 24, 2021
There are a few things about our bodies that, in one style or some other, can exist considered funny.
Hearing someone express mirth can make you laugh. The comical sounds that sometimes come along with passing gas are funny. Someone existence compelled to yawn after you yawn is sort of funny.
But what is basically never funny is your funny bone — despite the fact that we've decided to coin information technology equally such. We've all experienced the tingling, jolting hurting that comes with hitting your funny bone. It'south a different sort of hurting, to exist sure, but non pain that any of us would consider funny.
And speaking of a unlike sort of hurting, why does hitting your elbow "simply hitting so different?" Almost like your entire arm has been plunged into ice water and then electrocuted?
Funnily enough, getting to the bottom of this strange, unpleasant sensation ends up existence easier to understand than trying to figure out why your funny bone is fifty-fifty called your funny os in the offset place.
Where is your funny os?
Funny yous should inquire.
It turns out that your funny bone isn't a os. It's actually a nerve — one that starts in your spine and travels from your neck, through your elbow and to your fingers (your pinky and ring fingers, to be verbal). It'due south called the ulnar nervus. As i of the three master nerves in your arm, the main role of your ulnar nerve is to provide awareness in these fingertips, also as help the muscles in your hand coordinate fine move and the muscles in your forearm command your grip.
Forth its journey from your spine to your fingers, your ulnar nerve is pretty well protected past muscle, fatty and bone. Just at that place's one spot at your elbow where this nervus is unusually exposed, and that spot is called your funny bone.
At this signal in your arm, your ulnar nerve passes through your cubital tunnel, which runs underneath the lilliputian bony crash-land (called the medial epicondyle) on the inside of the back of your elbow. Feel around, you can probably find it.
It's at this spot that your ulnar nervus is especially vulnerable, peculiarly when your elbow is and bent and the nerve is protected by only a pocket-size layer of peel.
Why does hitting your "funny os" injure different?
Now that you know your funny bone isn't actually a bone — information technology'due south a vulnerable portion of a major nervus running through your arm — it's probably a little easier to understand why hitting it in a certain way causes pain. When you lot hit your funny bone at just the right angle, yous're essentially squashing information technology into your medial epicondyle bone. Ouch.
But why this hurting hits so different is interesting, too.
All sensations of pain are mediated by nerves, just at that place's a difference between the perception of pain (nociceptive pain) and bodily nervus pain.
When y'all stub your toe, slam your finger in a door or smack your caput, irritation and impairment to your tissue triggers the surrounding nerves to coordinate nociceptive pain. These nerves inform your brain you're in pain — cue those sharp or throbbing sensations. Moral of the story: Stop doing the thing you're doing, it'south causing damage.
Nervus hurting is a chip unlike. The hurting is still coordinated by a nerve, simply the irritation or damage is occurring directly to the nerve itself. In addition, the hurting feels different — more electric, burning or stinging.
In the case of hitting your funny bone, squashing your ulnar nerve into your medial epicondyle bone is irritating. And y'all experience this nerve hurting in the areas where your ulnar nervus provides sensation, resulting in an unpleasant, shocking sensation shooting down your forearm and into your fingers.
Fortunately, the hurting that comes with hitting your funny bone is temporary. Equally soon equally you milk shake things off, it's like nothing ever happened. No ice pack or bandaid needed.
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Source: https://www.houstonmethodist.org/blog/articles/2021/feb/why-does-hitting-your-funny-bone-hurt-so-much/
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