Why joints crackle
Some do it by force of habit, others toJust stretch your fingers, the third crunch before the beginning of an important matter ... the reasons, in general, are not particularly important, the main thing is the feeling of relief and flexibility in the fingers after a good You'll crack your knuckles!!
You probably have been warned many times that Habit of crackling joints Fingers will inevitably lead to arthritis in the elderly. Well, a logical statement ... "so simple!" Proposes to find out whether this is true.
Why joints crackle
Many people believe that a crackling sound when kneading fingers is formed from Friction of joints About each other. We have good news: friction has nothing to do with the nature of these clicks.
Between each of our joints is locatedSynovial fluid having a consistency of egg white. It acts as a lubricant, which provides mobility of the joints. It was previously believed that the source of sound is the bursting gas bubbles (carbon dioxide) formed in this liquid.
Recent research with the help of modernX-ray equipment showed that sound is formed in the synovial fluid due to the resulting vacuum from the sudden movement of the joints, but not in any way by friction.
After conducting an analysis of the experiment that lasted 5 years, the American Family Medicine Council concluded that there is no connection between the kneading of the fingers and Development of arthritis. Later, scientists added that this disease can appear due to heavy physical labor and monotonous, constantly repeating movements.
Of course, not a bad habit (yes, the crunching of knuckles refers to such) does not pass without a trace. Permanent clicks with your fingers can reduce the grip and also damage the ligaments.
Among other things, this sound can irritate others. So crunch with caution and better alone ... or use alternative ways to warm up your hands.
Share this article with everyone who warned you about the danger of arthritis!