Well, it turns out that the creepy cracking we hear is simply the sound of tiny, little air bubbles full of gas escaping the fluid between our joints and popping!

事实证明，我们听到的令人毛骨悚然的咔嚓声不过是充满气体的微小气泡从我们的关节之间的液体中逸出并爆裂的声音。