Floris Wardenaar
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Mail code: 9020Campus: Dtphx
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Wardenaar is an assistant professor at the College of Health Solutions since September 2017 with expertise in Performance Nutrition.
Floris Wardenaar was born in Amsterdam, the Netherlands. Despite the fact that there was no previous history of competitive sports within the family, all the brothers were competitive in different areas of sport. At the age of 14, he started cycling, both on the road and the track. From that moment on his interest in performance nutrition grew. During his second year as a junior cyclist he was selected for the newly formed National track cycling team. As part of his cycling career he collected more than 30 stage places and victories.
Wardenaar studied nutrition and dietetics at the Hogeschool van Amsterdam (HvA, Amsterdam Applied University) with specific interest in sports nutrition. During this bachelor program he followed an internship at NOC*NSF writing the brochure: What to know about nutrition and Sydney in preparation for the Olympic Games at Sydney 2000. Together with his bachelor degree he received his post bachelor degree of sports dietetics which was granted by NOC*NSF.
Following this, Wardenaar started a master's program at Wageningen University in human nutrition and physiology. During the second year at Wageningen, he founded his own consultancy firm in sports nutrition advice and during the third year he was full-time vice-president of the Dutch Chamber of Student Associations (LKvV). Subsequently he followed an internship at the Department of Kinesiology at the University of Texas in Austin and wrote his master’s thesis on the interaction between alcohol consumption, exercise and blood glucose levels at SENECA, expert centre of HAN Sports and Exercise Studies at the HAN University of Applied Sciences at Nijmegen. He graduated in 2005 both in nutritional physiology and in nutrigenomics.
At the start of 2006, Wardenaar took up the post of lecturer at the Institute of Paramedic Studies at the HAN. From that moment he was also asked to cover the sports nutrition position of the professional TVM speed skating team as part of an agreement between this team and HAN Sports and Exercise studies. In 2007 he was added to the nutrition team of the Dutch Olympic Committee (NOC*NSF) and from 2010 he became a member of the research group of the professorate (in Dutch: lectoraat) Sports, Nutrition and Health. At the beginning of 2011 he moved completely from paramedic studies to Sports and Exercise studies. 2012 saw him take on a team leader role as senior lecturer of the expert team Sports and Exercise Nutrition with responsibility for education, research and consultancy within the Institute of Sport and Exercise. During this period, he was also president of the Dutch Association of Sports Dieticians.
In September 2012 he commenced his doctoral project in cooperation with Wageningen University, which was partly financed by a regional grant Eat2Move. At the beginning of 2013 he became program manager of work package 3 within Eat2Move and from 2014-2017 he was team leader of the Team Nutrition of the Dutch Olympic Committee.
- PhD Dietary exposure assessment in athletes, Wageningen University 2017
- MS Nutritional Physiology, Wageningen University 2005
- Internship, the University of Texas at Austin, Department of Kinesiology, 2005
- BS Nutrition and Dietetics, Amsterdam University of Applied Sciences (Hogeschool van Amsterdam, HvA) 2001
Since 8 September 2017, I have joined the College of Health Solutions. I was partly appointed at the Sun Devil Athletics as sports nutrition advisor (2017-2019). My research focuses on the nutrition and hydration needs of athletes and active populations living in a hot and dry environment.
In print
38. Naldo R, Boeckman J, Vanos J, Kavouras S, Wardenaar FC. Short hydration education video and hiker fluid selection and consumption at trails, a non-randomized quasi-experimental field study. Nutrition and Health, First published online January 11, 2023.
37. Wardenaar FC, Beaumont JS, Boeckman Josh, van Geffen B, Vanos JK. Analysis of potential hydration opportunities during future football tournaments based on data from the 2018 FIFA World Cup. Science and Medicine in Football. 1-5. 2022.
36. Hamilton K.P, Ziegler J, Samavat H, Wardenaar F, Esopenko C, Womack J, Krystofiak J, Byham-Gray L. Athletic Characteristics Predicting Nutritional Supplement Use in a Sample of NCAA Division I and Division III Student-Athletes. Journal of Dietary Supplements. 1-15. 2022.
35. Vento KA, Koskan A, Lynch H, Kavouras S, Johnston C, Wardenaar, FC. Effect of increased water intake on uropathogenic bacterial activity of underhydrated menstruating young adult women: A randomized crossover trial. Nutrition and Health. Oct 12; doi: 10.1177/02601060221129159. Online ahead of print. 2022.
34. Wardenaar FC. Hoogervorst D. How Sports Health Professionals Perceive and Prescribe Nutritional Supplements to Olympic and Non-Olympic Athletes. International Journal of Environmental Research and Public Health. 19 (19), 12477. 2022.
33. Wardenaar FC, Seltzer RGN, Kavouras SA. Accuracy and reliability of college athletes’ scoring of artificial urine color samples to determine hydration status. International Journal of Sports Science & Coaching. doi: 10.1177/17479541221114748 First published online July 21, 2022.
32. Thompsett DJ, Vento KA, Der Ananian C. Hondula D, Wardenaar FC. The effects of three different types of macronutrient feedings on golf performance and levels of fatigue and alertness. Nutrition and Health. Volume 28, Issue 4. 2022. https://doi.org/10.1177/02601060221110367
31. Skinner J, Vento KA, Johnston CS. Wardenaar FC. Using Nutrition Knowledge and Diet Quality Questionnaires as Screening Tools to Identify Female Collegiate Athletes in Need of Dietitian Referral. Canadian Journal of Dietetic Practice and Research. Sep 1;83(3):133-138. doi: 10.3148/cjdpr-2022-004. Epub 2022 May 3.
30. Wardenaar FC, Vento KA, Ortega-Santos CP, Connolly J, Vanos JK. The impact of different playing surfaces on physiological parameters in collegiate DI American football athletes. International Journal of Sports Science & Coaching. 2022. doi: 10.1177/17479541221089748
29. Wardenaar FC. Human Hydration Indices: Spot Urine Sample Reference Values for Urine Concentration Markers in Athletic Populations. Dietetics. 1 1 39-51. 2022.
28. Wardenaar F, Armistead S, Boeckman K, Butterick B, Youssefi D, Thompsett D, Vento KA. The validity urine color scoring at different light conditions to assess low versus high urine concentration. Journal of Athletic Training. Online first. doi: 10.4085/1062-6050-0389.21 First published online April 7, 2022.
27. van Venrooij NFJ, Wardenaar FC, Hoogervorst D, Senden JMG, van Dijk JW, Jonvik KL. The association between gastrointestinal injury, complaints, and food intake in 60-km ultramarathon runners. Applied Physiology, Nutrition, and Metabolism. 47;5, 547-554. 2022.
26. Mohr AE, Pugh J, O'Sullivan O, Black K, Townsend JR, Pyne DB, Wardenaar FC, West NP, Whisner CM, McFarland LV. Best Practices for Probiotic Research in Athletic and Physically Active Populations: Guidance for Future Randomized Controlled Trials. Frontiers in Nutrition. 9. 2022.
25. Guyer H, Georgescu M, Hondula DM, Wardenaar F, Vanos J. Identifying the need for locally-observed wet bulb globe temperature across outdoor athletic venues for current and future climates in a desert environment. Environmental Research Letters. 2021. 16: 124042. doi: 10.1088/1748-9326/ac32fb
24. Wardenaar FC, Hoogervorst D, Vento KA, de Hon O. Dutch Olympic and non-Olympic athletes differ in knowledge of and attitudes toward third-party supplement testing. Journal of Dietary Supplements. 18 6 646-654. 2021.
23. Wardenaar FC, Thompsett D, Vento KA, Bacalzo D. A Lavatory Urine Color (LUC) Chart Method can Identify Hypohydration in a Physically Active Population. European Journal of Nutrition. 60 (5), 2795-2805. 2021. doi: 10.1007/200394-02460-5
22. Vento KA, Delgado F, Skinner J, Wardenaar FC. Funding and college-provided nutritional resources on diet quality among female athletes. Journal of American College Health. 2021. Aug 11. doi: 10.1080/07448481.2021.1947301
21. Wardenaar FC, Ortega-Santos CP, Vento KA, Beaumont JS, Griffin SC, Johnston C, Kavouras SA. A 5-day heat acclimation program improves heat stress indicators while maintaining exercise capacity. Journal of Strength and Conditioning Research. 2021 May 1;35(5):1279-1286. doi: 10.1519/JSC.0000000000003970
20. Wardenaar FC. Thompsett D, Vento KA, Pesek K, Bacalzo D. Athletes' Self-Assessment of Urine Color Using Two Color Charts to Determine Urine Concentration. International Journal of Environmental Research and Public Health. 2021. Apr 13;18(8):4126. doi: 10.3390/ijerph18084126
19. Wardenaar FC, Ortega-Santos CP, Vento KA, Olzinski S, Olig J, Kavouras S, Johnston C. Reliability of three urine specific gravity meters measuring brix and urine solutions at different temperatures. Journal of Athletic Training. 2021. Mar 31;56(4):389-95. doi: 10.4085/1062-6050-0142.20. Online ahead of print.
18. Vento KA, Wardenaar FC. Third-Party Testing Nutritional Supplement Knowledge, Attitudes, and Use Among an NCAA I Collegiate Student-Athlete Population. Front Sports Act Living. 2020 Sep 15;2:115. doi: 10.3389/fspor.2020.00115. eCollection 2020.
17. Linsell JD, Pelham EC, Hondula DM, Wardenaar FC. Hiking Time Trial Performance in the Heat with Real-Time Observation of Heat Strain, Hydration Status and Fluid Intake Behavior. International Journal of Environmental Research and Public Health. 2020 Jun; 17(11): 4086. doi: 10.3390/ijerph17114086
16. Wardenaar FC, Hoogervorst D, Nancy van der Burg, Versteegen J, Yoo W, Tasevska N. Validity of Food and Fluid Exercise Questionnaire for Macronutrient Intake during Exercise against Observations. Nutrients 2019, 11, 2391; doi: 10.3390/nu11102391.
15. Olzinski S, Beaumont J, Toledo M, Yudell A, Johnston CS, Wardenaar FC. Hydration Status and Fluid Needs of Division I Female Collegiate Athletes Exercising Indoors and Outdoors. Sports. 2019; 7, 155; doi:10.3390/sports7070155.
14. Hoogervorst D, Van der Burg D, Versteegen JJ, Lambrechtse KJ, Redegeld MI, Cornelissen LAJ, Wardenaar FC. Gastrointestinal Complaints and Correlations with Self-Reported Macronutrient Intake in Independent Groups of (Ultra)Marathon Runners Competing at Different Distances. Sports. 2019, 7, 140. doi: 10.3390/sports7060140.
13. Jonvik KL, Paulussen KJM, Danen SL, Ceelen IJM, Horstman AM, Wardenaar FC, Van Loon LJC, Van Dijk JW. Protein Supplementation Does Not Augment Adaptation to Endurance Exercise Training. MSSE, published ahead of print at 22 April 2019.
12. Wardenaar FC, Hoogervorst D, Versteegen JJ, Van der Burg N, Lambrechtse KJ, Bongers CCWG. Real-time observations of food and fluid timing during a 120 km ultramarathon. Front Nutr. 2018; 5: 32. Published online 2018 May 4. doi: 10.3389/fnut.2018.00032.
11. Jonvik K, Nyakayiru J, Van Dijk JW, Wardenaar F, Van Loon L, Verdijk L. Habitual dietary nitrate intake in highly trained athletes. Int J Sport Nutr Exerc Metab. 2016 Oct 21:1-25.
10. Gillen JB, Trommelen J, Wardenaar FC, Brinkmans NY, Versteegen JJ, Jonvik KL, Kapp C, de Vries J, van den Borne JJ, Gibala MJ, van Loon LJ. Dietary Protein Intake and Distribution Patterns of Well-Trained Dutch Athletes. Int J Sport Nutr Exerc Metab. 2016 Oct 6:1-23.
9. Wardenaar F, Brinkmans N, Ceelen I, et al. Micronutrient Intakes in 553 Dutch Elite and Sub-Elite Athletes: Prevalence of Low and High Intakes in Users and Non-Users of Nutritional Supplements. Nutrients. 2017; 9.
8. Wardenaar F, Brinkmans N, Ceelen I, et al. Macronutrient Intakes in 553 Dutch Elite and Sub-Elite Endurance, Team, and Strength Athletes: Does Intake Differ between Sport Disciplines? Nutrients. 2017; 9: 15.
7. Wardenaar FC, Ceelen IJ, Van Dijk JW, Hangelbroek RW, Van Roy L, Van der Pouw B, De Vries JH, Mensink M, Witkamp RF. Nutritional supplement use by Dutch elite and sub-elite athletes: Does receiving dietary counselling make a difference? Int J Sport Nutr Exerc Metab. 27 (1), 32-42. 2017.
6. Wardenaar F, van den Dool R, Ceelen I, Witkamp R, Mensink M. Self-Reported Use and Reasons among the General Population for Using Sports Nutrition Products and Dietary Supplements. Sports 2016, 4(2).
5. Bettonviel AEO, Brinkmans NYJ, Russcher K, Wardenaar FC, Witard FC. Nutritional status and daytime pattern of protein intake on match, post-match, rest and training days in senior professional and youth elite soccer players. J Sport Nutr Exerc Metab. 2016 Jun 26 (3), 285-293.
4. Wijnen A, Steennis J, Catoire M, Wardenaar F, Mensink M. Post-Exercise Rehydration: Effect of Consumption of Beer with Varying Alcohol Content on Fluid Balance after Mild Dehydration. Frontiers in nutrition. 2016 Oct 17;3-45.
3. Wardenaar FC, Steennis J, Ceelen I, Mensink M, Witkamp R, de Vries J. Validation of multiple, web-based, 24-hour recalls against nitrogen excretions to determine protein intake in Dutch elite athletes. Br J Nutr. 2015 Dec 28;114(12):2083-92.
2. Wardenaar FC, Dijkhuizen R, Ceelen I, Jonk E, de Vries JH, Witkamp RF, Mensink M. Nutrient intake of ultramarathon runners: can they meet recommendations? Int J Sport Nutr Exerc Metab. 2015 Aug;25(4):375-86.
1. Wardenaar F, Ceelen I, van den Dool R, Witkamp R, Mensink M. Use of dietary supplements by the Dutch general active population (in Dutch) Ned. Tijdschrift voor Diëtetiek. 2014.
Books, guidelines, and opinion articles for the profession
5. Wardenaar FC, Maas T, Hoogervorst D. Performance nutrition guidelines (in Dutch: Richtlijn Wedstrijdsport voor diëtisten en sportvoedingskundigen), 2010 uitgevers, Rotterdam. 3rd edition. 2022.
4. Wardenaar FC, Tjieu Maas. Sports nutrition guidelines: from Northern America to the Netherlands. Nederlands Tijdschrift voor Voeding & Dietetiek - 2017;72(5).
3. Wardenaar FC, Whisner C. Does receiving dietary counseling make a difference in the use of dietary supplements and sport nutrition products? SCAN Pulse. December 2017.
2. Wardenaar FC. Evaluation of dietary intake and nutritional supplement use of elite and sub-elite Dutch athletes. Dutch Sport nutrition and Supplement Study. Wageningen: Department of Human Nutrition, Wageningen University, 2017; 190. http://edepot.wur.nl/399863
1. Wardenaar FC, Van der Wilt H, Engelen C. Interdisciplinary cooperation in performance nutrition (in Dutch). Practical hand book for sports professionals (2017).
PATENT APPLICATIONS
December 15, 2022 US Patent App. 17/806,697. 2022. Urine Color System and Method for Use of the Same. Wardenaar FC and Bacalzo D.
Dr. Wardenaar provided over 250 presentations for sports associations, teams, and enterprises about sport and nutrition as well as a substantial number of presentations at scientific conferences.
Courses
2023 Summer
Course Number | Course Title |
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NTR 799 | Dissertation |
NTR 599 | Thesis |
NTR 692 | Research |
NTR 792 | Research |
NTR 780 | Practicum |
NTR 599 | Thesis |
2023 Spring
Course Number | Course Title |
---|---|
NTR 692 | Research |
NTR 792 | Research |
NTR 799 | Dissertation |
NTR 599 | Thesis |
NTR 100 | Intro to Nutrition Science |
NTR 780 | Practicum |
CHS 494 | Special Topics |
2022 Fall
Course Number | Course Title |
---|---|
NTR 599 | Thesis |
NTR 792 | Research |
NTR 799 | Dissertation |
NTR 555 | Advanced Sports Nutrition |
NTR 555 | Advanced Sports Nutrition |
NTR 692 | Research |
NTR 494 | Special Topics |
NTR 780 | Practicum |
NTR 100 | Intro to Nutrition Science |
2022 Summer
Course Number | Course Title |
---|---|
NTR 100 | Intro to Nutrition Science |
NTR 799 | Dissertation |
NTR 599 | Thesis |
NTR 100 | Intro to Nutrition Science |
NTR 692 | Research |
NTR 792 | Research |
NTR 780 | Practicum |
NTR 599 | Thesis |
CHS 494 | Special Topics |
2022 Spring
Course Number | Course Title |
---|---|
NTR 692 | Research |
NTR 792 | Research |
NTR 799 | Dissertation |
NTR 599 | Thesis |
NTR 100 | Intro to Nutrition Science |
NTR 780 | Practicum |
CHS 494 | Special Topics |
NTR 300 | Computer Apps in Food Service |
NTR 300 | Computer Apps in Food Service |
CHS 494 | Special Topics |
2021 Fall
Course Number | Course Title |
---|---|
NTR 599 | Thesis |
NTR 792 | Research |
NTR 799 | Dissertation |
NTR 555 | Advanced Sports Nutrition |
NTR 555 | Advanced Sports Nutrition |
NTR 692 | Research |
NTR 494 | Special Topics |
NTR 100 | Intro to Nutrition Science |
2021 Summer
Course Number | Course Title |
---|---|
NTR 100 | Intro to Nutrition Science |
NTR 799 | Dissertation |
NTR 599 | Thesis |
NTR 100 | Intro to Nutrition Science |
NTR 692 | Research |
NTR 792 | Research |
NTR 780 | Practicum |
NTR 599 | Thesis |
NTR 300 | Computer Apps in Food Service |
NTR 300 | Computer Apps in Food Service |
CHS 494 | Special Topics |
2021 Spring
Course Number | Course Title |
---|---|
EXW 592 | Research |
EXW 792 | Research |
NTR 692 | Research |
NTR 792 | Research |
NTR 799 | Dissertation |
NTR 599 | Thesis |
CHS 499 | Individualized Instruction |
NTR 494 | Special Topics |
NTR 100 | Intro to Nutrition Science |
NTR 780 | Practicum |
2020 Fall
Course Number | Course Title |
---|---|
EXW 792 | Research |
NTR 599 | Thesis |
NTR 792 | Research |
NTR 799 | Dissertation |
NTR 555 | Advanced Sports Nutrition |
NTR 555 | Advanced Sports Nutrition |
NTR 692 | Research |
NTR 494 | Special Topics |
EXW 599 | Thesis |
CHS 494 | Special Topics |
2020 Summer
Course Number | Course Title |
---|---|
NTR 799 | Dissertation |
NTR 599 | Thesis |
NTR 692 | Research |
NTR 792 | Research |
NTR 599 | Thesis |
2020 Spring
Course Number | Course Title |
---|---|
EXW 592 | Research |
EXW 692 | Research |
NTR 100 | Intro to Nutrition Science |
NTR 692 | Research |
NTR 792 | Research |
NTR 799 | Dissertation |
EXW 599 | Thesis |
NTR 599 | Thesis |
CHS 499 | Individualized Instruction |
NTR 494 | Special Topics |
EXW 592 | Research |
CHS 494 | Special Topics |
NTR 100 | Intro to Nutrition Science |
NTR 780 | Practicum |
2019 Fall
Course Number | Course Title |
---|---|
EXW 592 | Research |
EXW 692 | Research |
NTR 100 | Introductory Nutrition |
NTR 599 | Thesis |
NTR 792 | Research |
NTR 799 | Dissertation |
NTR 555 | Advanced Sports Nutrition |
NTR 555 | Advanced Sports Nutrition |
NTR 692 | Research |
CHS 499 | Individualized Instruction |
NTR 494 | Special Topics |
2019 Summer
Course Number | Course Title |
---|---|
NTR 599 | Thesis |
NTR 499 | Individualized Instruction |
NTR 692 | Research |
NTR 792 | Research |
2019 Spring
Course Number | Course Title |
---|---|
EXW 692 | Research |
EXW 792 | Research |
EXW 799 | Dissertation |
NTR 100 | Introductory Nutrition |
NTR 499 | Individualized Instruction |
EXW 599 | Thesis |
NTR 599 | Thesis |
NTR 492 | Honors Directed Study |
NTR 493 | Honors Thesis |
NTR 494 | Special Topics |
EXW 584 | Internship |
2018 Fall
Course Number | Course Title |
---|---|
EXW 592 | Research |
EXW 692 | Research |
NTR 499 | Individualized Instruction |
NTR 555 | Advanced Sports Nutrition |
NTR 555 | Advanced Sports Nutrition |
NTR 494 | Special Topics |
2018 Summer
Course Number | Course Title |
---|---|
NTR 499 | Individualized Instruction |
NTR 692 | Research |
NTR 692 | Research |
NTR 792 | Research |
EXW 592 | Research |
Team lead team Nutrition, Dutch Olympic Committee (NOC*NSF) at Papendal, Arnhem September 2014 – September 2017
Team leader Sports and Exercise Nutrition, Institute for Sports and Exercise Studies, HAN University of Applied Sciences at Nijmegen September 2012 – September 2017
Embedded scientist InnoSportLab, Olympic Training Centre at Papendal, Arnhem September 2012 – September 2014
Performance Dietitian Dutch Olympic Committee (NOC*NSF) January 2007 – September 2012On the road to OS Peking 2008: Swimming, Rowing, Track-cycling; On the road to OS Vancouver 2010: Short-track skating; On the road to OS London 2012: Swimming.
Performance Dietitian TVM professional speed skating team September 2006 – July 2009
Lecturer in nutrition and dietetics Institute of Paramedic Studies, HAN University of Applied Sciences at Nijmegen January 2006 – Augustus 2011
Nutrition Consultant, Floris Wardenaar January 2002 – August 2017