The keys to Healthy Knees are strength, mobility, stability and of course consistent movement. If you want to keep your knees healthy long term you must focus on: Full Range of Motion - A healthy knee should be able to flex fully under load and complete full range of motion exercises Proper Tracking - Keep your knee in line with your toe when working on your lower body exercises Strengthen Muscles - When your muscles around the knee are strong they will be able to stabilise the joint Soft Tissue