[RESEARCH] Is Knee Noise a Problem?
Noises Around the Knee INTRO: Noise in the knee joint is a common symptom that often leads to outpatient clinic visits. However, there have been no previous review articles regarding noise around the knee despite its high prevalence. Song et al. (2018) reviewed the noise characteristics according to sound nature and onset as well as factors for differentiation between physiological and pathological noises. They also described causes of the physiological and pathological noises and management of noise in the knee. RESULTS: The sounds around the knee have been described using various terms, including: Popping, Snapping, Catching, Clicking, Crunching, Cracking, Creaking, Grinding, Grating, & Clunking. Differentiate between physiological noise and pathological noise by checking for pain and swelling/effusion in the knee joint, as this is often associated with pathological noise. A loud “pop” with pain at the time of injury usually indicates damage to the ligaments or the me...