If you are one of those that crack your knuckles often, probably you are knowledgeable in the advantages.
Do you feel relief when the movement happens in your joints? But whatever the sound is pleasant or not it was puzzle for a long time. Thanks to one study, we have the answer; actually the sound comes from a gas-filled cavity in the synovial liquid in the joints. The hole reduces contact when you move them.
According to Greg Kawchuck who participated in the study, pulled his joints and moved the knuckles, under MRI. The MRI film the pulling of the fingers. The study was named ‘Force My Finger’. In the study were also mentioned and discussed the beginning of the breaking study.
To perform the study, Jerome’s fingers were appended to a link within a tube and afterward each pulled each one in turn as a MRI recorded the entire thing and what they found might amaze many of us.
What is actually happening: in the process the cavity is created, similar to a vacuum that attempts to fill the expanding joint volume that is opening up as the liquid in the joint is depleting. That makes the popping sound.
Years ago was known that splitting knuckles can lead to joint inflammation, but according to the specialist frequent splitting of knuckles can harm your joints and ligaments, so if you do it you may now consider stopping.
Watch the whole process in the video below!