Full Name: Layne Eiseman Norton
Birthdate: 12/15/1981
Hometown: Evansville, IN
Resides: Tampa, FL
Contest Weight: 195lbs
Offseason Weight: 220-230lbs
BS in Biochemistry from Eckerd College with honors (>3.5 GPA) in 2004
PhD Nutritional Sciences with honors (>3.5 GPA), University of Illinois 2010
Thesis Title: Leucine is a critical factor determining protein quantity and quality to initiate muscle protein synthesis
Bodybuilding/figure/physique coach
Scivation consultant
IFPA & NGA natural pro bodybuilder
Professional Powerlifter
2001 INBF Mid America Muscle Classic overall Teen champion
2002 SNBF Tennessee men's open tall champion
2004 ABA Mr. Indiana men's open overall champion
2004 ABA Mr. Illinois men's open overall champion
2006 OCB Spirit of America men's open heavyweight runner-up
2006 OCB Great Lakes States men's open overall champion*
2006 NGA Heart of America Natural Classic men's open overall champion*
2010 IFPA Pro International: Heavyweight Winner
2010 IFPAGaspari Pro Classic: 4th Place Heavyweight
2010 IFP Yorton Cup Pro World Championships: 5th Place Heavyweight
2010 NGA Pro Universe: 4th Place
*denotes pro qualifier
Articles have appeared in Muscular Development, Planet Muscle, Ironman, Fitness and Physique, and Natural Bodybuilding and Fitness.
Click below to download my PhD thesis "Leucine is a critical factor determining protein quantity and quality of a complete meal to initiate muscle protein synthesis"
Norton LE and Layman DK. Leucine regulates translation initiation of protein synthesis in skeletal muscle after exercise. J Nutr. 2006; 136(2):533S-537S
Norton, L.E., Layman, D.K., Garlick, P.J., Brana, D., Anthony, T.G., Zhao, L., Devkota, S. and Walker, D.A., (2007) Translational controls of skeletal muscle protein synthesis are delayed and prolonged associated with ingestion of a complete meal. 2007 Experimental Biology meeting abstracts [on CD-ROM], Abstract #694.6
Norton LE, Layman DK, Garlick PJ et al. Isonitrogenous protein sources with different leucine contents differentially effect translation initiation and protein synthesis in skeletal muscle. FASEB J. 2008 (abstract). Norton LE, Layman DK, Garlick PJ et al. Isonitrogenous protein sources with different leucine contents differentially effect translation initiation and protein synthesis in skeletal muscle. FASEB J. 2008 (abstract).
Optimal protein intake to maximize muscle protein synthesis: Examinations of optimal meal protein intake and frequency for maximizing muscle mass in athletes. Agro Food Ind. High-Tech. 2009 Mar/Apr;20(2):54-57.
Norton J Ag Food Ind Hi Tech 2008
Norton LE, Layman DK, Bunpo P, Anthony TG, Brana DV, Garlick PJ.The leucine content of a complete meal directs peak activation but not duration of skeletal muscle protein synthesis and Mammalian target of rapamycin signaling in rats. J Nutr. 2009 Jun;139(6):1103-9.
Norton LE, Layman DK, Wilson GJ, Moulton CJ, Rupassara SI, Garlick PJ. Leucine contents of isonitrogenous protein sources predict changes in body composition and muscle mass in rats FASEB J April 6, 2010 24:97.5
Wilson GJ, Norton LE, Moulton CJ, Rupassara SI, Garlick PJ, Layman DK. Equal Distributions of Dietary Protein Throughout the Day Maximizes Rat Skeletal Muscle Mass FASEB J April 6, 2010 24:740.17
Thorpe MP, Norton LE, Moulton CJ, Johnson AJW, Evans EM, Layman DK. Protein source modifies bone health in adult rats FASEB J April 6, 2010 24:767.7
Moulton CJ, Norton LE, Wilson GJ, Layman DK. Long-term consumption of leucine-rich meals is associated with mitochondrial changes in skeletal muscle of rats FASEB J March 17, 2011 25:774.15
Wilson GJ, Moulton CJ, Norton LE, Layman DK, Anthony TG, Rupassara SI, Garlick PJ. Muscle Protein Synthesis Refractoriness is overcome by an Oral Leucine or Carbohydrate Supplement FASEB J March 17, 2011 25:233.3
Wilson GJ, Layman DK, Moulton CJ, Norton LE, Anthony TG, Proud CG, Rupassara SI, Garlick PJ. Leucine or carbohydrate supplementation reduces AMPK and eEF2 phosphorylation and extends postprandial muscle protein synthesis and rats. Am J Physiol Endocrinol Metab. 2011 Dec;301(6):E1236-42.
Wilson JM, Wilson SMC, Loenneke JP, Wray M, Norton LE, Campbell BI, Lowery RP, Stout JR. Effects of Amino Acids and their Metabolites on Aerobic and Anaerobic Sports. Strength & Conditioning J. 2012 Epub ahead of print.
Norton LE, Wilson GJ, Layman DK, Moulton CJ, Garlick PJ. Protein distribution affects muscle mass based on differences in postprandial muscle protein synthesis and plasma leucine in rats. Int Soc Sports Nutr Symposium. 2012 Poster
Norton LE, Wilson GJ, Layman DK, Moulton CJ, Garlick PJ. Leucine content of dietary proteins is a determinant of postprandial skeletal muscle protein synthesis in adult rats. Nutr & Metab. 2012 9:67
Wilson JM, Lowery RP, Joy JM, Walters JA, Baier SM, Fuller JC, Stout JR, Norton LE, Sikorski EM, Wilson SMC, Duncan NM, Nelo ZE, Rathmacher J. B-Hydroxy-B-methylbutyrate free acid reduces markers of exercise-induced muscle damage and improves recovery in resistance-trained men. Br J Nutr. 2013 Jan 3:1-7.