Tag: Squat Depth

The Harmful Squats Myth: Dr. Karl Klein and the Back Squat

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When I began lifting in my teens, the coaches and older men in the gym floor seemed like fountains of indisputable knowledge. Don’t bring the bar all the way down to your chest on the bench press. Stability work on Bosu Balls worked your core and brought muscle gain. Drink a protein shake within 30 minutes of your workout or your anabolic window will shut. The most sacred of their dictates revolved around the back squat.

When learning how to squat we were told two simple things. Never go below parallel and under no circumstances should the knees track over the toes. These rules were so infallible that none of us dared to cross them. Even when we realised their advice on other lifts had been misguided to say the least, we adhered to their squat advice. It wasn’t until I changed gyms that I realised squatting with a full range of motion, even letting those knees slip over my toes, wasn’t going to kill my knees.

Where had this idea about the squat come from? Whenever we asked we were told about vague scientific studies that ‘everyone knew about’. It wasn’t until I dug into the history of the back squat for a recent article on Barbend that I became reacquainted with this subject.

Our goal today is simple. Who first promoted the idea that squatting below depth was harmful and how did this theory become so prevalent? Our story today revolves around Dr. Karl Klein and his followers.

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