Laurel Littlefield
Associate Professor of Kinesiology
Publications & Presentations
2023
Townsend, J., Edwards, S., Littlefield, L., Morimune, J., Jones, M., & Henry, R. (2023). Short-Term Citrulline Supplementation Does Not Improve Functional Performance in Older Active Women. Journal of Exercise and Nutrition, 6(1).
2022
Hart, T. L., Townsend, J. R., Grady, N. J., Johnson, K. D., Littlefield, L. A., Vergne, M. J., & Fundaro, G. (2022). Resistance Exercise Increases Gastrointestinal Symptoms, Markers of Gut Permeability, and Damage in Resistance-Trained Adults. Medicine & Science in Sports & Exercise, 54(10), 1761-1770.
2021
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Impact of red spinach extract supplementation on bench press performance, muscle oxygenation, and cognitive function in resistance-trained malesHaynes JT IV, Townsend JR, Aziz MA, Jones MD, Littlefield LA, Ruiz MD, Johnson KD, Gonzalez AM. Impact of red spinach extract supplementation on bench press performance, muscle oxygenation, and cognitive function in resistance-trained males. Sports (Basel). 2021;9(6)doi:10.3390/sports9060077
2020
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Acute protease supplementation does not alter the endocrine response to resistance exercise in trained malesJones MD, Townsend JR, Morimune J, Littlefield LA, Van Dusseldorp TA, Feito Y, Mangine GT. Acute protease supplementation does not alter the endocrine response to resistance exercise in trained males. Med Sci Sports Exerc. 2020;52(7S):767. doi:10.1249/01.mss.0000683556.27914.94
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The effects of a protease enzyme blend on post-resistance exercise intramuscular anabolic signalingTownsend JR, Morimune J, Jones M, Littlefield LA, Heffington SH, Van Dusseldorp T, Feito Y, Mangine G. The effects of a protease enzyme blend on post-resistance exercise intramuscular anabolic signaling. Curr Dev Nutr. 2020;4(suppl 2):1767. doi:10.1093/cdn/nzaa066_022
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The effects of a protease enzyme blend on the amino acid response to resistance exerciseMorimune JE, Townsend JR, Jones MD, Beuning CN, Haase AA, Boot C, Littlefield LA, Henry RN, Marshall AC, Van Dusseldorp T, Feito Y, Mangine G. The effects of a protease enzyme blend on the amino acid response to resistance exercise. Med Sci Sports Exerc. 2020;52(7S):767. doi:10.1249/01.mss.0000683552.28148.23
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The effect of Prohydrolase(®) on the amino acid and intramuscular anabolic signaling response to resistance exercise in trained malesTownsend JR, Morimune JE, Jones MD, Beuning CN, Haase AA, Boot CM, Heffington SH, Littlefield LA, Henry RN, Marshall AC, Van Dusseldorp TA, Feito Y, Mangine GT. The effect of Prohydrolase(®) on the amino acid and intramuscular anabolic signaling response to resistance exercise in trained males. Sports (Basel, Switzerland). 2020;8(2):E13. doi:10.3390/sports8020013
2019
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Perspectives on endurance running: Body, mind, and spiritLittlefield LA, Ruiz MD, Boston A, Cukrowski K. Perspectives on endurance running: Body, mind, and spirit. Paper presented at: Christian Scholar’s Conference; June 5-7, 2019; Lubbock, TX.
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Phosphorylation status of fetuin-A is critical for inhibition of insulin action and is correlated with obesity and insulin resistanceRen G, Kim T, Papizan JB, Okerberg CK, Kothari VM, Zaid H, Bilan PJ, Araya-Ramirez F, Littlefield LA, Bowers RL, Mahurin AJ, Nickles MM, Ludvigsen R, He X, Grandjean PW, Mathews ST. Phosphorylation status of fetuin-A is critical for inhibition of insulin action and is correlated with obesity and insulin resistance. Am J Physiol Endocrinol Metab. 2019. doi: 10.1152/ajpendo.00089.2018
2017
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The effect of exercise intensity and excess postexercise oxygen consumption on postprandial blood lipids in physically inactive menLittlefield LA, Papadakis Z, Rogers KM, Moncada-Jimenez J, Taylor JK, Grandjean PW. The effect of exercise intensity and excess postexercise oxygen consumption on postprandial blood lipids in physically inactive men. Appl Physiol Nutr Metab. 2017;42(9):986-993. doi: 10.1139/apnm-2016-0581
2016
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Exercise using lactate threshold measurementsLittlefield LA, Chowning L. Exercise using lactate threshold measurements. Paper presented at: International Symposium in Exercise and Health Science Research; October 12-13, 2016; Waco, TX.
2015
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Exercise intensity and postprandial lipemiaLittlefield LA, Grandjean PW. Exercise intensity and postprandial lipemia (la intensidad del ejercicio y la lipemia postprandial). RETOS Nuevas Tendencias en Educaciòn Fisica, Deporte y Recreactiòn (Challenges New Trends in Physical Education, Sport and Recreation). 2015(27):7.
2014
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The effect of exercise intensity on postprandial blood lipids in physically-inactive menLittlefield LA, Papadakis Z, Rogers KM, Moncada-Jiminez J, Taylor JK, Grandjean PW. The effect of exercise intensity on postprandial blood lipids in physically-inactive men. Med Sci Sports Exerc. 2014;46(5S):434. doi: 10.1249/01.mss.0000494479.21794.41
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Plasma fetuin-A and phosphofetuin-A (Ser312) responses to a single or short-term repeated bout of exercise in obese and normal-weight individualsMathews S, Ren G, He X, Bowers R, Araya-Ramirez F, Littlefield LA, Grandjean P. Plasma fetuin-A and phosphofetuin-A (Ser312) responses to a single or short-term repeated bout of exercise in obese and normal-weight individuals. The FASEB Journal. 2014;28(1_supplement):1028.1022. doi: 10.1096/fasebj.28.1_supplement.1028.2
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Ser 312-phosphorylated fetuin-A: Role in insulin action and insulin resistanceMatthews S, Ren G, He X, Okergerg C, Papizan J, Bowers RL, Mahurin AJ, Araya-Ramirez F, Littlefield LA, Grandjean PW. Ser 312-phosphorylated fetuin-A: Role in insulin action and insulin resistance. Diabetologia. 2014;57(S1):97. doi: 10.1007/s00125-014-3355-0
2013
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Effectiveness of cell phones and mypyramidtracker.gov to estimate fruit and vegetable intakeLong JD, Boswell C, Rogers TJ, Littlefield LA, Estep G, Shriver BJ, Roman-Shriver CR, Culpepper D, Kuenzi G, Song H. Effectiveness of cell phones and mypyramidtracker.gov to estimate fruit and vegetable intake. Appl Nurs Res. 2013;26(1):17-23. doi: 10.1016/j.apnr.2012.08.002
2012
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Fetuin-A responses to incremental weight lossGrandjean PW, Ren G, He X, Kim T, Littlefield, LA, Bowers RL, Araya-Ramirez F, Mahurin AJ, Matthews S. Fetuin-A responses to incremental weight loss. Med Sci Sports Exerc. 2012;44(5S):609. doi: 10.1249/01.mss.0000494479.21794.41
2011
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Aerobic exercise and niacin therapy alter paraoxonase in metabolic syndromeTaylor JK, Plaisance EP, Mahurin AJ, Mestek ML, Moncada-Jiminez J, Araya-Ramirez F, Littlefield LA, Grandjean, PW. Aerobic exercise and niacin therapy alter paraoxonase in metabolic syndrome. Med Sci Sports Exerc. 2011;43(5):852-853. doi: 10.1249/01.Mss.0000402377.23823.60
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Changes in fibroblast growth factor 21 with modest weight lossLittlefield LA, Bowers RL, Araya-Ramirez F, Mahurin AJ, Taylor JK, Kim T, He X, Mathews ST,
Grandjean PW. Changes in fibroblast growth factor 21 with modest weight loss. Med Sci Sports Exerc. 2011;43(5):669. doi: 10.1249/01.MSS.0000401854.63730.9f -
Technology-based methods for measurement of fruit and vegetable consumption: A preliminary reportLong JD, Kuenzi G, Boswell C, Estep G, Littlefield LA, Kuenzi G, Rogers T, Culpepper D. Technology-based methods for measurement of fruit and vegetable consumption: A preliminary report. Poster presented at: Sigma Theta Tau International's 22nd International Nursing Research Congress; July 11-14, 2014; Cancun, Mexico.
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Using technology for health promotionLong JD, Rogers T, Littlefield LA, Boswell C, Kuenzi G, Mahan K, Boswell M. Using technology for health promotion. Paper presented at: Christian Scholars' Conference; June 16-18, 2011; Malibu, CA.
2010
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Evidence review of technology and dietary assessmentLong JD, Littlefield LA, Estep G, Martin H, Rogers TJ, Boswell C, Shriver BJ, Roman-Shriver CR. Evidence review of technology and dietary assessment. Worldviews Evid Based Nurs. 2010;7(4):191-204. doi: 10.1111/j.1741-6787.2009.00173.x
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Temporal changes in cardiotrophin-1 and fibroblast growth factor 21 with weight lossLittlefield LA, Bowers RL, Dennis JD, Araya-Ramirez F, Taylor JK, Matthews ST, Grandjean PW. Temporal changes in cardiotrophin-1 and fibroblast growth factor 21 with weight loss. Paper presented at: Southeast American College of Sport’s Medicine 37th Annual Meeting; February 11-12, 2010; Greenville, SC.
2009
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Pilot study comparing the effectiveness of technology-based methods of dietary assessmentLong JD, Littlefield LA, Estep G, Martin H, Rogers T, Boswell C, Shriver B, Roman-Shriver C. Pilot study comparing the effectiveness of technology-based methods of dietary assessment. Paper presented at: Christian Scholars' Conference; June 25-27, 2009; Nashville, TN.
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Resonance breathing training and heart rate variability: A pilot studyRobert-McComb J, Littlefield LA. Resonance breathing training and heart rate variability: A pilot study. Poster presented at: Association for Applied Psychophysiology and Biofeedback Annual Meeting; April 1-4, 2009; Albuquerque, NM.
2008
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Evidence review of the effectiveness of technology-based methods for dietary assessment of fruit and vegetable consumptionLong JD, Littlefield LA. Evidence review of the effectiveness of technology-based methods for dietary assessment of fruit and vegetable consumption. Poster presented at: International Fruit and Vegetable Summit; May 2008; Paris, France.