APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -Often, crepitus is harmless. It happens when air seeps into the soft tissues around the joint (such as the kneecap). When you bend the joint, the air bubbles burst, and you hear a bone cracking sound.

Detailed explanation-2: -Crepitus occurs when pressure is applied to the affected area, causing the trapped air to produce popping sounds or a crackling sound.

Detailed explanation-3: -Crepitus is the abnormal popping or crackling sound in either a joint, like a knuckle, or in the lungs. It may be faint or loud enough for people to hear. It often comes with a popping or crunching sensation, which can sometimes be uncomfortable or painful.