Ever since I took my first trainer certification through the National Academy of Sports Medicine, the debate between performing a draw-in maneuver, versus bracing the core, or attempting to tighten and firm and generate a rigid spine has existed. And unfortunately, the topic is still emphasized in training culture today. I’m not sure if people keep ongoing discussion out of pure boredom, or if they don’t know what the real answer is on the topic, but this seems pretty straigh