Influencers claim ‘knees over toes’ exercises can help bullet proof your knees. Two experts explain

For decades, people exercising have been told one simple rule: Never let your knees go over your toes. During lunges, squats and many other exercises, well-meaning coaches, trainers and physical therapists repeated this advice so often that it became fitness folklore.

djiledesign/Getty Images For decades, people exercising have been told one simple rule: never let your knees go over your toes. During lunges, squats and many other exercises, well-meaning coaches, trainers and physiotherapists repeated this advice so often it became fitness…