The Weider Muscle Confusion Principle was made popular decades ago by bodybuilders including Bill Pearl and Arnold Schwarzenegger. Essentially, they dictated that the bodybuilder was to make every workout different so that the bodybuilder’s muscles would never become accustomed to one particular workout or set of exercises. After all, our muscles only grow when they are subjected to a set of stimulus below their current capacity. If you can bench press 225 x 12 times consistently, your muscles will never grow any bigger. It’s only when you include new chest movements, and/or add more weight to the bar during your benching, that the muscles of the chest will be forced to grow in order to adapt to this new workload.

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Q:  My lats are actually one of my best body parts, and definitely the best part of my back. I have only been training for about 2 years and they are super wide and connect pretty deep into my waist. The problem is my buddies always comment on the fact that, when I diet down, the rest of my back is really shallow and not dense or thick at all! In fact, they say it’s really noticeable and is a liability on stage. I already feel like I am training like an animal, so how can I change that?

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