Knee Joint Instability: Factors, Signs, Evaluation, Complications, Treatment And Recovery Knee joint instability is a common orthopedic problem where the knee feels unable to support body weight. Many patients describe it as the knee losing balance during movement or while climbing stairs. At Arora Clinic, we frequently diagnose such cases https://www.tumblr.com/medjournalhealthcare/814968446902206464/knee-joint-instability-causes-symptoms?source=share