The knee popping sound, also known as knee cracking or knee snapping, can be caused by various factors 🤔. Here’s a breakdown: ## Normal: 1. *Gas bubbles:* 💧 The joints contain synovial fluid, which can form gas bubbles. When these bubbles burst, it can create a popping sound 🗣️. This is usually harmless 👍. 2. *Tendon or ligament movement:* 🏋️‍♀️ As tendons or ligaments move over bony structures, they can cause a snapping or popping sound 🗣️. This can be normal, especially if it’s occasiona