My 17 year old son recently broke his knee. He had emergency surgery July 4th and another July 15th. Since yesterday his knee makes a popping and cracking sound every time he bends it. Is this normal??
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Hi Guest,
There can be some noise, the popping sound, especially if he doesn't move his joints often. It's just like cracking your knuckles.
Bubbles form in the joints from normal gases. When you move the joint it can cause a "pop" or "crack."
Your surgeon can provide more information. Without knowing all the details of the break and surgery there can be other causes as well.
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