Knee Instability: Factors, Signs, Evaluation, Complications, Treatment And Recovery Instability of the knee joint is a frequently seen joint issue where the knee feels weak. Many patients describe it as the knee “giving way” during movement or while climbing stairs. At our orthopedic center, we commonly manage such cases using https://www.diigo.com/item/note/b2kov/mshj?k=29a3d87bdb7eab925025ae3b3f836270