What causes you to pop/crack?!


Question: What causes you to pop/crack.?
in the morning after i get up from bed its like every time i move something cracks...my knees, spine, neck, etc. really loudly too. what causes this and is it bad.? some days are worse than others.?Health Question & Answer


Answers:
Your joints can make a variety of sounds: popping, cracking, grinding, and snapping. The joints that "crack" are the knuckles, knees, ankles, back, and neck. There are different reasons why these joints "sound off".

Escaping gases: Scientists explain that synovial fluid present in your joints acts as a lubricant. The fluid contains the gases oxygen, nitrogen, and carbon dioxide. When you pop or crack a joint, you stretch the joint capsule. Gas is rapidly released, which forms bubbles. In order to crack the same knuckle again, you have to wait until the gases return to the synovial fluid.

Movement of joints, tendons and ligaments: When a joint moves, the tendon

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