Research

Publications

2026
2025
2024
2023

Sergi TE, Roberts BM, Tinsley GM, Heileson JL. Acute water ingestion influences lean soft tissue estimation from dual-energy x-ray absorptiometry: Implications for clinical diagnosis. Clin Nutr ESPEN. 2026;75:105074.

Heileson, JL, Sergi, TE, Wilson PB. The Relationship Between Urine Specific Gravity and Fat-Free Mass in Military Personnel. J Am Nutr Assoc. 2026;45(5):422-427.

Sergi TE, Voelkel OM, Deehl CE, Jagim AR, Heileson JL. Normative Fat-Free Mass Index Values Based On Body Composition Method in Army Personnel. Performance Nutrition. 2025;1:10.

Sergi TE, Dawes JJ, Heileson JL. Leg Tuck or Plank? Critical Decisions to Optimize Physical Fitness Assessment in Army Personnel. JSCR. 2025;39(6):e830-e833.

Heileson JL Sergi, TE. Long-Chain Omega-3 Polyunsaturated Fatty Acids and Sarcopenia: A Primer for Nutrition Professionals. Nutrition Today. 2025;00(00):10.1097.

Heileson JL, Sergi TE, de Souza LC. The Omega-3 Index in Athletes. JEN. 2025;8(1):12.

Heileson JL, Wallace RB, Sergi TE, Rittenhouse MA, Peoples GE. The Omega-3 Index in Military Personnel: A Systematic Review. MilMed. 2025;190(9-10):e1835-e1843.

Sergi TE, Lee G, Carnett JE, Trochez CJ, Hall WC, Williams AS, Heileson JL. Does body composition predict leg tuck performance? Med Sci Sports Exerc. 2024;56(10S):865.

Heileson JL, Macartney MJ, Watson NL, Sergi TE, Jagim AR, Anthony R, Peoples GE. Nutritional Optimization for Brain Health in Contact Sports: A Systematic Review and Meta-Analysis on Long-Chain ω-3 Fatty Acids and Neurofilament Light. CDN. 2024;8(10):104454.

Heileson JL, Sergi TE, Peoples GE. Phishing in muddy waters: reeling in methodological flaws in n-3 fatty acid research. Clin Nutr ESPEN. 2024;63:162-163.

Sergi TE, Roberts BM, Heileson JL. What About Water? Implications for Body Composition Assessment in Military Personnel. JSCR. 2024;38(9):e534-e540. 

Presentations

2025
2021
2020
2019

What About Water? – Walter Reed National Military Medical Center, Nutrition Services Division Journal Club, August, 2025

Cycle informed readiness: Changes in training and nutrition throughout the female warfighter menstrual cycle – International Society of Sports Nutrition Annual Conference Data Blitz, June 2025

Systematic review of the relationship between body mass index and health and occupational performance among law enforcement officers, firefighters, and military personnel – American Society for Nutrition 2021 Live Online, June 2021

Systematic review of the relationship between body mass index and health and occupational performance among law enforcement officers, firefighters, and military personnel – Oklahoma Academy of Nutrition and Dietetics Spring Convention, March 2021, First Place

 

Food Police to the Rescue – Oklahoma Association of Family and Consumer Sciences State Conference, March 2020

Food Police to the Rescue – Oklahoma State University 3-Minute Thesis, October 2019-November 2019, First Place, Second Place, and University Competitor

Posters

2025
2024
2019

Sergi TE, Heileson JL. Cycle informed readiness: Changes in training and nutrition throughout the female warfighter menstrual cycle – International Society of Sports Nutrition Annual Conference, June 2025

Sergi TE, Yadavongsy DD, Heileson JL. The influence of fat-free mass on hydration status in male and female military personnel – American College of Sports Medicine Annual Meeting, May 2025

Yadavongsy DD, Sergi TE, Deehl CE, Heileson JL. Diet quality and eating patterns among active-duty soldiers – Maryland Academy of Nutrition and Dietetics Annual Meeting, April 2025

Sergi TE, Lee G, Heileson JL. Acute water ingestion does not influence percent body fat using bioelectrical impedance analysis – National Strength and Conditioning Association National Conference, July 2024

Sergi TE, Lee G, Carnett JE, Trochez CJ, Hall WC, Williams AS, Heileson JL. Does body composition predict leg tuck performance? – American College of Sports Medicine Annual Meeting, May 2024

Lee G, Sergi TE, Heileson JL. The impact of passive dehydration and acute hydration on isometric mid-thigh pull – Maryland Academy of Nutrition and Dietetics Annual Meeting, April 2024

 

Sergi T, Chambers E, Chappell J, Dotimas L, Vogt L. The effects of a nutrition education intervention on pre- and post-workout nutrition knowledge in police officers – Oklahoma State University Department of Nutritional Sciences Dietary and Herbal Supplements Poster Session, December 2019