What really happens when you crack your knuckles,
and is it bad for you? Synovial fluid is the substance between your joints. When you stretch them out, you release a gas that forms a bubble and pops. It's essentially your joints just farting. It also tends to feel good because it stimulates your nerve endings. But is it dangerous? A handful of studies have found no correlation to to harmful effects like arthritis.
and is it bad for you? Synovial fluid is the substance between your joints. When you stretch them out, you release a gas that forms a bubble and pops. It's essentially your joints just farting. It also tends to feel good because it stimulates your nerve endings. But is it dangerous? A handful of studies have found no correlation to to harmful effects like arthritis.
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