Metabolic Adaptation w/ Dr. Eric Trexler, Doug Larson, Coach Travis Mash and Dr. Mike Lane #856

Dr. Eric Trexler returns to Barbell Shrugged to break down one of the most misunderstood subjects in fitness: how the body adapts to dieting, exercise, and energy restriction. Eric, a Duke University researcher with a PhD in Human Movement Science, joins Doug Larson, Dr. Mike Lane, and Coach Travis Mash to explain the constrained energy expenditure model, why cardio does not always produce the linear calorie burn people expect, and why the context of your diet matters. They cover metabolic adaptation, under-fueling in endurance and weight-class athletes, and why the body creates more friction as you get leaner or try to train hard on a fixed calorie budget. The crew also gets practical about fat-loss plateaus, "weight-loss resistance," diet breaks, refeeds, and reverse dieting. Eric explains why tracking errors often masquerade as metabolic problems, why getting extremely lean carries real performance and lifestyle tradeoffs, and why slower timelines are often the smarter move. He also shares what the research actually says about using refeeds and diet breaks to preserve metabolism and why aggressively beginning recovery after a hard diet may be more effective than dragging out a reverse diet. Whether you are cutting for a weight-class sport, chasing a physique goal, or simply trying to lose body fat without losing your mind, this episode will help you make better decisions with your nutrition and training. Links: Doug Larson on InstagramCoach Travis Mash on Instagram