Snap, crackle, & pop I have listened to them since I was a kid. The air bubble in the bursa, a fluid filled cushion between bones, is moving and making noises. Nancy wrote: <<i have what i call "snap, crackle, and pop"--whenever my med isn't working right for me one symptom i have is noisy joints--knee, back, neck, arm. has anyone heard of this silliness? i wonder if it is cartilage, connective tissue?>>