Knee pain is not a prerequisite to aging. In fact, almost all knee injuries can be easily prevented and treated. The secret is knowing exactly how to take care of these important joints when they're hurting and to prevent injury while they're healthy. This simple strengthening and stretching routine targets the muscles that protect your knees to avoid undue stress and strain. It also targets painful areas to speed in their healing. Physical therapist Chantal Donnelly created this gentle routine to help you exercise your way to a good knee health.