The question is as old as time itself: Why do my knees crack and pop? Ever since man has first squatted down to make a fire or defecate (see my last blog post to learn more), he has heard these noises and wondered what the heck those snaps and crackles were! Well, there are a few possibilities of what you COULD be hearing in your knees or [insert any joint you have heard] are making sounds and unless you are having a unique amount of excruciating pain and can weight-bear easily with no functional deficits, there is a good chance you are experiencing one of the below phenomenon. Check it out below!