Knee Joint Instability: Factors, Symptoms, Diagnosis, Risks, Treatment And Recovery Instability of the knee joint is a common musculoskeletal condition where the knee feels weak. Many patients describe it as the knee losing balance during walking or while standing up. At our advanced clinic, we commonly manage such cases using https://www.tumblr.com/healpedia/814953828304699392/knee-joint-instability-causes-symptoms?source=share