Here’s what happens to your knuckles when you crack them

Here’s what happens to your knuckles when you crack them


Recognize this sound? If you pop or crack
your joints, you probably do. What happens to our joints when we crack them? And is it
bad for you? Synovial fluid is this lubricant-like substance that’s found in between your joints.
It kind of looks like an egg yolk. So when you stretch out your joint, you are releasing
gas, and that gas forms a bubble and it collapses and pops. In order to crack the same knuckle
again, you have to wait about 20 minutes for the gas to return back to that fluid. So how
is that different from a pop you hear when you stand up quickly? The sound you’re probably
hearing then is the snapping sound tendons make when slide between muscles or over bones.
When a joint moves, the tendon snaps quickly over and it makes a popping sound. So is the
knuckle cracking habit safe? Probably. Donald Unger was sort of a self-described researcher
who chose to pop the joints in one of his hands for 60 years, but not the other one.
And he wanted to find out if popping your knuckles would actually give you arthritis.
After 60 years of doing it, he found that he didn’t have any more arthritis in one hand
than in the other. But there’s still a chance it’s not good for you. One 1990 did find that
cracking your knuckles over a long period of time led to hand swelling and decreased
scrip strength, but there hasn’t been any follow-up research on that. So while cracking
your knuckles might not be bad for you, there’s still no guarantee that your popping habit
won’t annoy the people around you.

56 Replies to “Here’s what happens to your knuckles when you crack them”

  1. From popping knuckles to wiggling ears, some of our strangest bodily traits can be traced back to our Triassic mammal ancestors. Watch the video: http://bit.ly/2K0eo8d

  2. An old relative of mine in her 90s before she died told me, cracking your knuckles doesn't give you arthritis and that she had been doing it since her childhood. I was probably about 6 at the time lol which is a strange thing to tell a kid. Maybe that was her secret to long life and good joints , weird advice but yeah…

  3. Sometimes I just flex my biceps or just straighten the arm. Elbow joint cracks.

    Feels kind of satisfying. As if things have fallen into right place.

  4. Kaneki: watches this vid

    Kaneki: … cracks knuckle don’t you tell me what good for me and what’s not.

  5. I use to hav a bad habit of cracking my ankle..jus remembered that 🤔 Once while 🎿 I had to go into lounge and tear my boots off jus to get satisfaction of cracking them.

  6. I cracked me fingers for 2 years and my ring size is 7 and I’m 11 there are people in my classes that wear a 1.5 don’t pop your fingers

  7. It’s not that it’s necessarily bad it’s more that it’s a bad habit for fidgety people with no self discipline.

  8. funny thinking back when my psychotic parents pulled up pictures of misshaped mangled hands from "cracking knuckles" turns out they probably just had OCD and Misophonia…. thank god i left at 18 XD

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