At check-in, our guest must pay for the entire stay if the length of the stay is less than seven days; or for one week at a time if the stay is seven days or longer. For stays of longer than seven days, the guest will be required to pay for each week in advance.
Locally at the knee, strengthening the quadriceps muscle group can help. Sit on the floor with the painful knee straight and the other knee bent. Keep your back straight, lean forward and hug the bent knee.
Thigh strengthening exercises, water exercises, wall squats done properly and knee to chest stretches are all good exercises for knee pain. Prior to trying any of these, it would be important to have a trainer or physical therapist to teach proper technique.