Post #4450 743 Sep 11, 2025, 10:35 UTC Do Your Knees 'Click'? Here's What It Means, And When to See a DoctorSource: ScienceAlert@EverythingScience ScienceAlert Do Your Knees 'Click'? Here's What It Means, And When to See a Doctor It's not always a bad sign. 👍 1