Unstable Knee Condition: Causes, Signs, Evaluation, Complications, Treatment And Rehabilitation Knee joint instability is a common musculoskeletal condition where the knee feels unable to support body weight. Many patients describe it as the knee losing balance during movement or while standing up. At Arora Clinic, we frequently diagnose such cases https://www.diigo.com/item/note/b2kov/mshj?k=29a3d87bdb7eab925025ae3b3f836270