The crack heard commonly with chiropractic adjustment is not from the bone.
- The joint between your bones are lined with
cartilage, this cartilage allows you to move your bones around smoothly and
without irritation to the bones.
- The cartilage however needs a “lubricant” so it will not wear out. This
lubricant is a clear fluid that is in all your joints. This is what swells up
when you injure a joint like your knee or ankle.
- Therefore, when a chiropractor adjusts a joint, he/she momentarily separates
the joint and pulls some gas from the fluid, and that little gas bubble then pops.
This is the exact same kind of "pop" or "crack" when you crack your knuckles.
- There is another type of crack your body can produce, it is the cracking commonly
found when knees or elbows are bent. This is caused when tendons that attach your
muscles to your bones snap over a bump on your bone.
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