Pseudorandom sequences typically exhibit statistical randomness while being generated by an entirely deterministic causal process. Such a process is easier to produce than a genuinely random one, and has the benefit that it can be used again and again to produce exactly the same numbers - useful for testing and fixing software.
Another similar explanation suggests that when you âcrackâ your knuckles, or any other joint, it expands the space between your bones, creating negative pressure that draws synovial fluid into the new gap. This influx of synovial fluid is what causes the popping sound and feeling when you crack a knuckle.
No one knows exactly what causes the common sounds of joint cracking and popping. It could be caused by ligaments stretching and releasing or by the compression of nitrogen bubbles in the spaces of the joints. Joint cracking and popping on its own does not require treatment. It is normal, and these joint sounds may also increase with age. If you hear a popping sound in your joint and experience pain and swelling, you may have an injury that requires treatment.