Yes I do! Leg extensions work well with strengthening the knee. Wall sits. Lunges. Walking lunges.Seated calf raises. Hamstring curls. Skipping rope. Deadlift. As for your knees tgemselves and your weight, eat spinach, avocado, quinoa, brown rice, sockeye, salmon, tuna, mackerel, beef, higher protein meals, go out and socialize more, you'll spend less time eating unhealthy foods. Cut out the junk carbs. You'll see major one month improvements!