Knee injuries can be mitigated by maintaining a moderate forward body lean, pointing the toes forward and adding hand assistance when ascending stairs. Maintain a moderate forward lean when walking up stairs to avoid the body weight passing through the knee joint, which can increase pressure on the knee joint and aggravate the injury. Keep your feet completely on the stairs and avoid exerting force on the stairs with just your toes. The toes of the feet should be facing the front of the body and slightly outward, avoiding excessive outward or inward bias, that is, going up the stairs in an outward or internal way, so as not to increase the grinding effect of the knee joint and aggravate the injury. If there is a handrail on the stairs, you can hold the handrail with your hand to assist in exerting force, which can effectively reduce the pressure on the knee joint. If you are an elderly person, using a walking stick to assist you in walking up the stairs is also a better way to go.