Squats don't wreck your knees — if you do them right
The idea that squats wear down your knees, especially if your knee travels past your toes, is one of the most persistent myths in fitness. Biomechanics research actually shows the opposite: properly performed, full-range squats strengthen the ligaments, tendons, and cartilage around the joint through adaptation to regular load, rather than wearing them down.
The 'knee shouldn't pass the toes' rule isn't universal either — it came from observing one specific technique in one specific context. Given natural movement biomechanics and differing body proportions, a knee traveling past the toes is normal for many people and doesn't create injury risk by itself, as long as control and stability are maintained.
The real risk to knees comes from jerky movements, insufficient warm-up, ramping up weight too fast without strengthening the surrounding ligaments, and technique where the knees collapse inward. With gradual progression and controlled technique, squats are actually one of the most beneficial exercises for long-term knee health.