30-minute strengthening and stretching routine 7 Minutes to Save Your Knees abridged workout Exercise modifications for all fitness levels BONUS! Exercises and techniques PREVENT AND REDUCE KNEE PAIN 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 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 good knee health.