Knee Instability: Causes, Symptoms, Evaluation, Risks, Treatment And Recovery Knee joint instability is a frequently seen musculoskeletal condition where the knee feels loose. Many patients describe it as the knee slipping suddenly during movement or while changing direction. At our orthopedic center, we frequently diagnose such cases using both non-surgical https://www.diigo.com/item/note/b2kov/mge3?k=26dcbc6d3797709a887dd5a10840a527