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Dr Darryn Scott Willoughby

Research Interest

Primarily, he is interested in the effects of resistance training and/or nutritional intervention on the physiological, biochemical, and molecular mechanisms regulating skeletal muscle hypertrophy. Secondarily, he is interested in the effects of resistance training and/or nutritional intervention on blunting the mechanisms of oxidative stress-induced muscle proteolysis, with the intent of reducing muscle atrophy.


Darryn Scott Willoughby holds BS and MS degrees in Exercise Science from Tarleton State University and a PhD in Neuromuscular Physiology and Biochemistry with sub-emphases in Nutritional Biochemistry and Molecular Biology from Texas A&M University. He is an Associate Professor in the Department of Health, Human Performance, and Recreation at Baylor University and is also the director of the Exercise and Biochemical Nutrition Lab. He is a Fellow of the American College of Sports Medicine, American Society of Exercise Physiologists, American College of Nutrition, and International Society of Sport Nutrition, (ISSN). He is also a Past-President of the ISSN, and is a Certified Strength and Conditioning Specialist from the National Strength and Conditioning Association and a certified exercise and sport nutritionist from the ISSN. He is an internationally recognized scholar and one of the top leaders in the field where his primary research focuses on the molecular mechanisms regulating muscle hypertrophy and atrophy and the effectiveness and efficacy of nutritional supplements in helping to support muscle hypertrophy, attenuate atrophy, and improve exercise and sport performance. He is well published in scientific research journals such as the Medicine and Science in Sports and Exercise, Nutrition Research, Amino Acids, and the International Journal of Sport Nutrition and Exercise Metabolism. He gives invited presentations at numerous professional conferences regarding sport performance and muscle adaptation to training and nutritional supplementation.