How to Trigger Your Funny Bone
WHEN SHOULD I WORRY Almost...
Why Does Hitting Your Funny Bone Injure And then Much?
Feb. 24, 2021
There are a few things about our bodies that, in one way or some other, can be considered funny.
Hearing someone express joy tin can make y'all laugh. The comical sounds that sometimes come along with passing gas are funny. Someone existence compelled to yawn after y'all yawn is sort of funny.
But what is basically never funny is your funny bone — despite the fact that nosotros've decided to coin information technology equally such. We've all experienced the tingling, jolting pain that comes with hitting your funny bone. Information technology's a different sort of pain, to be sure, but not hurting that any of united states of america would consider funny.
And speaking of a dissimilar sort of pain, why does hitting your elbow "only hitting and so different?" Almost like your entire arm has been plunged into ice water and then electrocuted?
Funnily enough, getting to the bottom of this foreign, unpleasant awareness ends up beingness easier to sympathise than trying to figure out why your funny os is fifty-fifty called your funny os in the first place.
Where is your funny bone?
Funny yous should ask.
It turns out that your funny os isn't a bone. It's actually a nerve — one that starts in your spine and travels from your cervix, through your elbow and to your fingers (your pinky and ring fingers, to be exact). Information technology's called the ulnar nerve. Every bit one of the three primary nerves in your arm, the master office of your ulnar nerve is to provide sensation in these fingertips, likewise as help the muscles in your hand coordinate fine motion and the muscles in your forearm control your grip.
Along its journey from your spine to your fingers, your ulnar nerve is pretty well protected by muscle, fatty and bone. Simply there's one spot at your elbow where this nerve is unusually exposed, and that spot is chosen your funny os.
At this point in your arm, your ulnar nerve passes through your cubital tunnel, which runs underneath the piffling bony bump (called the medial epicondyle) on the within of the back of your elbow. Feel around, you lot can probably find information technology.
It's at this spot that your ulnar nervus is especially vulnerable, especially when your elbow is and bent and the nerve is protected by only a small-scale layer of skin.
Why does hitting your "funny bone" injure different?
Now that you know your funny bone isn't actually a bone — it's a vulnerable portion of a major nervus running through your arm — information technology's probably a little easier to understand why hitting it in a sure way causes hurting. When you hit your funny bone at merely the right angle, you're essentially squashing it into your medial epicondyle bone. Ouch.
Only why this hurting hits so different is interesting, too.
All sensations of pain are mediated past nerves, but there's a difference betwixt the perception of pain (nociceptive hurting) and actual nervus pain.
When you stub your toe, slam your finger in a door or smack your head, irritation and harm to your tissue triggers the surrounding fretfulness to coordinate nociceptive pain. These fretfulness inform your brain you lot're in pain — cue those precipitous or throbbing sensations. Moral of the story: Stop doing the thing you're doing, it's causing damage.
Nerve pain is a bit unlike. The pain is all the same coordinated by a nervus, but the irritation or harm is occurring directly to the nerve itself. In addition, the pain feels different — more than electric, called-for or stinging.
In the case of hitting your funny bone, squashing your ulnar nerve into your medial epicondyle bone is irritating. And you feel this nerve pain 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 pain that comes with hitting your funny os is temporary. As soon as you shake things off, it's like null ever happened. No water 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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