Astronomy Common Knowledge Quiz.......
Quizzes & Puzzles1 min ago
No best answer has yet been selected by Randomgirl12. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Mine have done this since I was a child whenever I crouched down and I don't suffer any ill effects from it.
Although I can feel when it needs to be clicked. It's as if it stiffens and then I need to bend it so it clicks and there's a release and my knee feels normal again.
If it doesn't cause any pain I don't think there's anything to worry about. - I don't