This is what happens when you"crunch"your fingers

"Cracking"fingers is a habit that many people often have , Although it has been said for many years that it could cause problems in Joints Such as arthritis. This habit creates a kind of pleasure when practiced and there are people who enjoy doing it several times a day without thinking about the possible risks.

Why are the"crunches"??? In the fingers

The joints are the point at which two bones meet and join. All joints have an area called the joint capsule, Which is the one that protects the joints and the one that contains A natural lubricant called synovial fluid, which is necessary for joint movement.

Precisely this liquid influences in the famous"crunch", because inside this one there is air and, When the knuckles creak, the joint separates and widens the space within the joint capsule, Causing in turn the dissolved gases to form bubbles to occupy the new space created. When you apply the force to the knuckles, The formed bubbles escape quickly and that is when the sound characteristic of the Crunches .

After this crunch, it is not possible to repeat the action immediately, since the joints must first return to their normal size and the gases must dissolve in the liquid. After about fifteen minutes, it is possible that the"crunch"again.

Why Many People Enjoy"Crunching"??? the fingers?

Experts say that"cracking"fingers can be a nervous habit. However, it can also be a habit that generates pleasure since, by stretching the joints, the nerve endings of the area are stimulated. It has been determined that Between 25 and 54% of people have this habit , Being more common in men than in women.

What happens when you"crack"your fingers

Many people have the bad habit of"cracking"their fingers frequently, even though this often causes discomfort in the people around them. Several studies suggest that"cracking"the fingers can cause arthritis , Instability in the joint and loss of strength and hand function. From the scientific point of view, cracking fingers often for many years could cause damage to the cartilage covering the joint. However, there is still insufficient evidence to show that this habit can effectively damage circulation.

One of the best known studies in this respect is the one that won the Ig Nobel in 2009 (alternative awards for unconventional scientific works). Donald Unger, a Californian physician,"crunched"the Knuckles Of the left hand for 60 years, at least twice a day. He never did this with the knuckles of his right hand and Concluded that, after these years, there was no trace of any arthritis.

In a larger study, conducted in Detroit in the 1990s, the hands of three hundred people over the age of 45 were analyzed, and it was found that 84% of those who had swelling in their hands used to"crunch"their fingers. Nevertheless , Researchers could not find a direct link between this habit and the Inflammations In the hands of these people.


Anyway, it is curious that just people who"creaked"their fingers frequently in the past were those who presented discomfort and inflammation later.

For the founders of osteopathy, That characteristic sound of the"crunches"is a sign that the technique is being performed correctly And, in fact, consider that they have been able to modify a possible bad position of the bone.

The findings of studies conducted over the years are divided between those who believe that this habit can cause damage to the joints and those who believe there is no harm. The truth is that there is more scientific evidence that can relate the famous"crunches"in the fingers with future cases of arthritis For the moment, it is known that this disease is caused by genetics, age and hard work for many years.

How could"crunches"really be dangerous?

Leaving aside the unfinished theme of his relationship with the onset of arthritis, "Creaking"the fingers could cause other damages, such as thumb or Sprains In the ligaments of the fingers , Although there are few cases.

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