Unstable Knee Condition: Factors, Symptoms, Evaluation, Risks, Treatment And Rehabilitation Instability of the knee joint is a frequently seen musculoskeletal condition where the knee feels weak. Many patients describe it as the knee slipping suddenly during movement or while standing up. At our orthopedic center, we commonly manage such cases https://healthharborblogger.blogspot.com/2026/04/knee-joint-instability-causes-symptoms.html