The knee joint is one of the largest weight-bearing joints in the body and is also the most complex joint in terms of movement. It is made up of bones, cartilage, menisci and ligaments that are connected, and is capable of both strong force loads and flexible rotation, which means that the knee joint takes on a more complex role compared to other joints. Therefore, in daily life, it is important to constantly strengthen the muscles around the knee in order to meet the physiological requirements of the knee joint to be able to carry heavy loads while being flexible and mobile. Today, through this article to recommend a few suitable for daily life to adhere to the exercise of the movement! 1.Still squat against the wall stand with your back against the wall, feet shoulder-width apart, slowly bend the knee, back and hips against the wall hold 10-15 seconds, do two sets of squat amplitude is not recommended too deep, according to their own knee feelings, gradually increase the time and amplitude, otherwise it may instead damage the knee 2.Sitting kick slowly lift the leg, straighten the knee until the leg and the ground parallel to hold 5 seconds, and then slowly put down each leg Repeat ten times 3, straight leg lifting exercise sitting or lying down, knee straight premise, lift one lower limb (keep straight) heel about 30 cm from the bed, adhere to 5-10 seconds 20-30 per group, 5-8 groups per day 4, empty pedal bicycle method patients lying down, alternating legs slowly to the air 45 degrees direction pedal repeat the exercise 30-50 times In addition to the above exercises, it is recommended that patients can usually do some cycling Bicycling, swimming and other activities that are lighter on the joints can exercise the muscles around the joints without increasing the burden on the knee joint.