Do your joints make noises when you move? Many people hear noises such as pops, creaks, or grinding in their joints, often in the knees, with activities such as going up stairs or squatting down. But it’s important to know that these noises can be normal, especially if they are not associated with any kind of pain! When joints make noise, it is commonly known as crepitus. Let’s take a closer look at what crepitus is and what you need to know in order to continue safe exercise.