The Valgus and Varus Stress Tests are special tests used to assess the stability of the knee. These tests involve placing small amounts of force against the knee joint, either to the inner (varus stress) or outer (valgus stress) aspects of the knee joint. An examiner may use one hand on the patient’s thigh and the other on the lower leg, to apply and assess the response of the knee to the force. If a valgus or var