Unstable Knee Condition: Reasons, Signs, Diagnosis, Complications, Treatment And Recovery Knee joint instability is a widely reported joint issue 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 regularly treat such cases using both https://www.diigo.com/item/note/b2kov/mshj?k=29a3d87bdb7eab925025ae3b3f836270