What happens when you crack / pop your knuckles?
When you pop your knuckles, you're actually making a small bubble of gas in the fluid that lubricates your joints. This might sound painful, but it's actually not. The popping noise is just the sound of the bubble bursting.
Some people believe that popping your knuckles can cause arthritis, but there's no scientific evidence to support this claim. In fact, popping your knuckles may actually be good for you. A study published in 2015 found that people who regularly popped their knuckles had reduced hand stiffness and improved grip strength. So go ahead and give your fingers a good stretch. It might not be pretty, but it could be beneficial.
For centuries, people have been cracking their knuckles, and for just as long, there have been theories about what exactly happens when they do.
Some believe that it's due to a build-up of gas in the joints, while others think that it's a way to relieve stress. However, the truth is that nobody really knows why people crack their knuckles. The most likely explanation is that it's simply a habit that some people have developed. Whatever the reason, there's no need to worry about cracking your knuckles - it's not harmful and won't cause any long-term damage.
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