The action of ringing the fingers or neck joints is a common and often controversial practice. For many, it is a kind of unconscious habit, while for others it can be a source of discomfort or worry about possible long-term negative effects.
Let's start with the fingers. Finger rapping involves stretching or manipulating the joints to generate a distinctive sound. This sound comes from the release of gas trapped in the synovial fluid that lubricates the joints. Contrary to popular belief, cracking your fingers has not been shown to cause arthritis or other serious joint problems. However, some studies suggest that doing so frequently could be linked to a temporary decrease in grip strength and some swelling in the hands. Although these effects are generally mild and temporary, it is important to be aware of how doing too much can affect the long-term comfort and function of your hands.
As for the joints in the neck, the sound produced when turning or tilting the head can be quite satisfying for some people, but it can also be a cause for concern for others. As with fingers, this sound is due to the release of gas into the synovial fluid. In terms of actual harm, the evidence is limited. Some research suggests that occasionally cracking your neck probably won't cause significant problems, but doing it excessively or roughly could increase the risk of injury to the soft tissues or even the arteries in the neck, which could lead to more serious complications.
In short, occasionally cracking your fingers or neck joints is probably not harmful for most people. However, doing it too much could be associated with temporary discomfort or even potential injury. As with anything, moderation and awareness of your own body are key. If you experience pain or discomfort when cracking your fingers or neck, it is important to seek guidance from a healthcare professional to determine the underlying cause and receive appropriate treatment.