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Division of Kinesiology and Health

College of Health Sciences

Evan Johnson, Ph.D., Assistant Professor, Division of Kinesiolgy and Health.Evan C. Johnson, Ph.D.

Assistant Professor

Exercise Physiology

(307) 766-5282

Corbett Building, room 109








Examine the physiological mechanisms and overall health benefits related to optimal hydration, physical activity, and heat exposure.


Ph.D. University of Connecticut (2014)

M.A. University of Connecticut (2008)

B.A. George Washington University (2004)


  • KIN 4900, Drugs & Exercise Performance
  • KIN 3021, Physiology of Exercise
  • KIN 5586, Advanced Exercise Physiology



  • 2015 Urine Color as a Marker of Change in Daily Water Intake - $279,000
  • 2013 Seed Grant for Pilot Projects for Graduate Students University of Connecticut, Storrs, CT
  • 2013 Doctoral Student Travel Grant


  • 2013 New England - American College of Sports Medicine – Doctoral Student Presentation Finalist
  • 2013 Outstanding Doctoral Student Award, Department of Kinesiology University of Connecticut, Storrs, CT
  • 2004 Academic Excellence in Exercise and Sport The George Washington University, Washington, D.C.


  • 2015 Hydration of Health Initiative – Young Researcher Award



Johnson EC, Pryor RR, Casa DJ, Ellis L, Maresh CM, Pescatello, LS, Ganio MS, Lee EC, Armstrong LE. Precision, accuracy, and performance outcomes of perceived exertion versus heart rate guided run-training. Journal of Strength and Conditioning Research. IN PRESS

Armstrong LE, Johnson EC, Bergeron MF. COUNTERVIEW: Is Drinking to Thirst Adequate to Appropriately Maintain Hydration Status During Prolonged Endurance Exercise? No. Wilderness Environ Med. 2016 Jun;27(2):195-8.

Johnson EC, Armstrong LE, Muñoz CX, Jimenez L, Le Bellego L, Kupchak BR, Kraemer WJ, Casa DJ, Maresh CM. Hormonal and thirst modulated maintenance of fluid balance in young women with different levels of habitual fluid consumption. Nutrients. 2016 May;8, 302.

Adams JD, Kavouras SA, Robillard JI, Bardis CN, Johnson EC, Ganio MS, McDermott BP, White MA. Fluid Balance of Adolescent Swimmers During Training. J Strength Cond Res. 2016 Mar;30(3):621-5.

Armstrong LE, Johnson EC, McKenzie AL, Ellis LA, Williamson KH. Endurance Cyclist Fluid Intake, Hydration Status, Thirst, and Thermal Sensations: Gender Differences. Int J Sport Nutr Exerc Metab. 2016 Apr;26(2):161-7.

Kavouras SA, Johnson EC, Bougatas D, Arnaoutis G, Panagiotakos DB, Perrier E, Klein A. Validation of the Urine Colour Scale in Children. Eur J Nutr. 2016 Apr;55(3):907-15.

Kunces LJ, Johnson EC, Muñoz CX, Hydren JR, Huggins RA, Judelson DA, Ganio MS, Vingren JL, Volek JS, Armstrong LE. Observed Dietary Practices of Recreational Ultra Endurance Cyclists in the Heat. J Strength Cond Res. 2015 Oct 17. [Epub ahead of print]

Perrier ET, Johnson EC, McKenzie AL, Ellis LA, Armstrong LE. Urine colour change as an indicator of change in daily water intake: a quantitative analysis. Eur J Nutr. 2015 Aug 19. [Epub ahead of print]

Muñoz CX, Johnson EC, McKenzie AL, Guelinckx I, Graverholt G, Casa DJ, Maresh CM, Armstrong LE. Habitual total water intake and dimensions of mood in healthy young women.  Appetite. 2015 Sep;92:81-6.

Armstrong LE, Johnson EC, McKenzie AL, Muñoz CX. An Empirical Method to Determine Inadequacy of Dietary Water. Nutrition. 2016 Jan;32(1):79-82.

Johnson EC, Muñoz CX, Le Bellego L, Klein A, Casa DJ, Maresh CM, Armstrong LE. Markers of the hydration process during fluid volume modification in women with habitual high or low daily fluid intakes. Eur J Appl Physiol. 2015 May;115(5):1067-74.

Johnson EC, Pryor JL, Casa DJ, Belval LN, Vance JS, Demartini JK, Maresh CM, Armstrong LE. Bike and run pacing on downhill segments predict Ironman triathlon relative success. J Sci Med Sport. 2015 Jan:18(1):82-7.

Moyen NE, Ganio MS, Wiersma LD, Kavouras SA, Gray M, McDermott BP, Adams JD, Binns AP, Judelson DA, McKenzie AL, Johnson EC, Muñoz CX, Kunces LJ, Armstrong LE. Hydration Status Affects Mood State and Pain Sensation during Ultra-endurance Cycling. J Sports Sci. 2015 Mar 20:1-8.

Pryor JL, Johnson EC, Del Favero J, Monteleone A, Armstrong LE, Rodriguez NR. Hydration status and sodium balance of endurance runners consuming post-exercise supplements of varying nutrient content. Int J Sport Nutr Exerc Metab. 2015 Oct, 25(5): 471-9.

Kupchak BR, McKenzie AL, Luk HY, Saenz C, Kunces LJ, Ellis LA, Vingren JL, Lee EC, Ballard KD, Johnson EC, Kavouras SA, Ganio MS, Wingo JE, Williamson KH, Armstrong LE.  Effect of cycling in the heat for 164 km on procoagulant and fibrinolytic parameters. Eur J Appl Physiol. 2015 Jan 22.

Armstrong LE, Johnson EC, McKenzie AL, Ellis LA, Williamson KH.  Ultraendurance cycling in a hot environment: Thirst, fluid consumption and water balance. J Strength Cond Res. 2015 Apr;29(4):869-76.

Armstrong LE, Johnson EC, Ganio MS, Judelson DA, Vingren JL, Kupchak BR, Muñoz CX, McKenzie AL, Williamson KH. Effective body water and body mass changes during summer Ultra-endurance road cycling. J Sports Sci. 2015;33(2):125-35.

Armstrong LE, Johnson EC, Kunces LG, Ganio MS, Judelson DA, Kupchak BR, Vingren JL, Muñoz CX, Huggins RA, Hydren JR, Moyen NE, Williamson KH. Drinking to thirst versus drinking ad libitum during road cycling. J Athl Train. 2014 Sep-Oct;49(5):624-31.

Armstrong LE, Ganio MS, Klau JF, Johnson EC, Casa DJ, Maresh CM. Novel hydration assessment techniques employing thirst and a water intake challenge in healthy men. Appl Physiol Nutr Metab. 2014 Feb;39(2):138-44.

Muñoz CX, Johnson EC, Demartini JK, Huggins RA, McKenzie AL, Casa DJ, Maresh CM, Armstrong LE. Assessment of hydration biomarkers including salivary osmolality during passive and active dehydration. Eur J Clin Nutr. 2013  Dec;67(12):1257-63.

Johnson EC, Kolkhorst FW, Richburg A, Schmitz A, Martinez J, Armstrong LE. Specific exercise heat stress protocol for a triathlete's return from exertional heat stroke. Curr Sports Med Rep. 2013;12(2):106-109.

  1. Johnson EC, Kolkhorst FW, Schmitz A, Armstrong LE. Authors’ Response to letter to the editor about case report, “Specific exercise heat stress protocol for a triathlete’s return from exertional heat stroke”. Curr Sports Med Rep. 2013 Sep-Oct;12(5):347-8.

Armstrong LE, Johnson EC, McKenzie AL, Muñoz CX. Interpreting common hydration biomarkers on the basis of solute and water excretion. Eur J Clin Nutr. 2013;67(3):249-253.

Johnson EC, Armstrong LE. Switching Habitual Small and Large Volume Drinkers: Outcomes and Lessons Learned. Nutrition Today. 2013:48(3S): S1-S4.

Armstrong LE, Johnson EC, Muñoz CX, Le Bellego L, Klein A, McKenzie AL, Casa DJ, Maresh CM. Evaluation of Uosm:Posm ratio as a hydration biomarker in free-living, healthy young women. Eur J Clin Nutr. 2013;67(9): 934-938.

Armstrong LE, Anderson JM, Casa DJ, Johnson EC. Exertional heat stroke and the intestinal microbiome. Scand J Med Sci Sports. 2012;22(4):581-582.

Armstrong LE, Johnson EC, Muñoz CX, Swokla B, Le Bellego L, Jimenez L, Casa DJ, Maresh CM. Hydration biomarkers and dietary fluid consumption of women. J Acad Nutr Diet. 2012;112(7):1056-1061.

Armstrong LE, Johnson EC, Muñoz CX. Letter to the Editor: Inverse relationship between percentage body weight change and finishing time in 643 forty-two-kilometre marathon runners. Zouhal H, et al. B J Sports Med. 2011;45(14):1101.

Ganio MS, Johnson EC, Klau JF, Anderson JM, Casa DJ, Maresh CM, Volek JS, Armstrong LE. Effect of ambient temperature on caffeine ergogenicity during endurance exercise. Eur J Appl Physiol. 2011;111(6):1135-1146.

Ganio MS, Johnson EC, Lopez RM, McDermott BP, Casa DJ, Maresh CM, Armstrong LE. Caffeine lowers muscle pain during exercise in hot but not cool environments. Physiol Behav. 2011;102(3-4):429-435.

Johnson EC, Ganio MS, Lee EC, Lopez RM, McDermott BP, Casa DJ, Maresh CM, Armstrong LE. Perceptual responses while wearing an American football uniform in the heat. J Athl Train. 2010;45(2):107-116.

Armstrong LE, Johnson EC, Casa DJ, Ganio MS, McDermott BP, Yamamoto LM, Lopez RM, Emmanuel H.  The American football uniform: Uncompensable heat stress and hyperthermic exhaustion. J Athl Train. 2010;45(2):117-127.

Ganio MS, Armstrong LE, Johnson EC, Klau JF, Ballard KD, Michniak-Kohn Effect of quercetin supplementation on maximal oxygen uptake in men and women. J Sports Sci. 2010;28(2):201-208.

Johnson EC, Armstrong LE. Heat and hydration considerations for junior and collegiate tennis players. Strength Cond J. 2009;31(4):27.


Johnson EC, Kavouras SA. (2015) Is it possible to be well hydrated and still experience exertional heat illness?  IN:  Sauuers EL Lopez RM, Quick Questions in Heat-Related Illness and Hydration: Expert Advice in Sports Medicine (pp 209-213). Thorofare, NJ: SLACK Inc.

Armstrong LE, McKenzie AL, Johnson EC. The Importance of Research for Evidence-Based Practice. IN:  American College of Sports Medicine - Research Methods. Currently in press


Johnson EC, Bardis CN, Adams J.D., Jansen L, Kirkland TW, Murray W, Kavouras SA, The impact of fluid intake on glucose metabolism. American College of Sports Medicine Annual Meeting; Boston MA; June 2016.

Johnson EC, Water intake; Clearly a contributor to health. Colorado State University, Health & Exercise Science Department Seminar Series; Fort Collins CO, March 2016.

Johnson EC, Human hydration basics at rest and in sport. Nike World Headquarters; Beaverton OR, March 2016.

Johnson EC, Model and Concept Drawing as an Active Learning Technique: Why PowerPoint is NOT the only answer. Elbogen Center for Teaching and Learning, Teacher’s and Technology Lecture Series, University of Wyoming, Laramie WY, February 2016.

Johnson EC, Bardis CN, Adams J.D., Jansen L, Kirkland TW, Murray W, Kavouras SA, Reduced water intake exacerbates cortisol-mediated insulin resistance in patients with type II diabetes. Hydration for Health Confernece; Evian, France; July 2015.

Johnson EC, Pryor, JL, Belvl, LN, Casa DJ, Maresh CM, Armstrong, LE, The importance of even pacing during an ultra-endurance triathlon competition.  Chinese Delegation visit to University of Connecticut Human Performance Laboratory; Storrs, CT; October, 2013.

Johnson EC, Munoz, CX, Le Bellego, L, Klein A, Jimenez, L, Casa DJ, Maresh CM, Armstrong, LE, Effects of switching small and high drinker on physiological markers in free-living conditions. Hydration For Health Scientific Conference; Evian, France; July 2012.

Johnson EC, Kolkhorst FW, Richburg A, Schmitz A, Martinez J, Armstrong LE, Exertional Heatstroke in Triathlon: What does Heat Tolerance Testing Tell Us? American College of Sports Medicine Annual Conference; Denver, CO; 2011.

Johnson EC, Ganio MS, Lee EC, Lopez RM, McDermott BP, Casa DJ, Maresh CM, Armstrong LE. Perceptual Responses While Wearing an American Football Uniform in the Heat.  American College of Sports Medicine Annual Conference; Seattle, WA; 2009.


Contact Us

Division of Kinesiology and Health

Corbett Building 119

Dept. 3196

1000 E. University Ave.

Laramie, WY 82071

Phone: (307) 766-5284

Fax: (307) 766-4098


1000 E. University Ave. Laramie, WY 82071
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