NANAKO HAYASHI

Last Updated :2026/07/02

Affiliations, Positions
Graduate School of Humanities and Social Sciences, Assistant Professor
E-mail
n-hayashihiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Ritsumeikan University
  • PhD, Ritsumeikan University

Affiliated Academic Societies

  • European College of Sport Science
  • The Japanese Society of Physical Fitness and Sports Medicine

Educational Activity

Course in Charge

  1. 2026, Liberal Arts Education Program1, 1Term, Sports Theory and Exercise
  2. 2026, Liberal Arts Education Program1, 3Term, Sports Theory and Exercise
  3. 2026, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  4. 2026, Undergraduate Education, 3Term, Introduction to Health and Sport Science
  5. 2026, Undergraduate Education, Intensive, Emergency Care and Nursing
  6. 2026, Undergraduate Education, 2Term, Swimming
  7. 2026, Undergraduate Education, Intensive, Seminar on Outdoor Activity (Climbing & Camping)
  8. 2026, Undergraduate Education, 1Term, Sport Medicine(lec.)
  9. 2026, Undergraduate Education, 2Term, Educational method and evaluation in Physical education
  10. 2026, Undergraduate Education, 2Term, Instruction Seminar in Swimming
  11. 2026, Graduate Education (Master's Program) , 2Term, Basic Study in Human Relationships (Communication) Design c
  12. 2026, Graduate Education (Master's Program) , 3Term, Advanced Study in Human Relationships (Communication) Design c

Research Activities

Academic Papers

  1. Effects of Alternating Mild-Cold and Hot Water Immersion on Lower-Leg Blood Flow Following Immersion in Healthy Young Adults., Scandinavian journal of medicine & science in sports, 36(4), e70284, 202604
  2. Repeated-sprint exercise delays gastric emptying independently of hypoxia and heat exposure., Physical activity and nutrition, 30(1), 42-46, 20260331
  3. ★, Comparison of respiratory responses to exercise under different heat-stressful environments between oral contraceptive and naturally menstruating ovulating female athletes, Journal of Thermal Biology, 134, 104335, 202512
  4. Sodium L-Aspartate Supplementation Improves Repeated-Sprint Performance., Nutrients, 15(24), 20231215
  5. Effect of Amino Acid Supplementation on Iron Regulation after Endurance Exercise., Nutrients, 15(23), 20231125
  6. ★, Effect of long-term carnosine/anserine supplementation on iron regulation after a prolonged running session., Physical activity and nutrition, 27(2), 70-77, 202306
  7. Adding heat stress to repeated-sprint training in hypoxia does not enhance performance improvements in canoe/kayak athletes., European journal of applied physiology, 123(2), 339-349, 202302
  8. Muscle Oxygenation during Repeated Cycling Sprints in a Combined Hot and Hypoxic Condition., International journal of sports medicine, 43(8), 708-714, 202207
  9. ★, Influence of an energy deficient and low carbohydrate acute dietary manipulation on iron regulation in young females., Physiological reports, 10(13), e15351, 202207
  10. Effects of combined hot and hypoxic conditions on muscle blood flow and muscle oxygenation during repeated cycling sprints., European journal of applied physiology, 121(10), 2869-2878, 202110
  11. Hepcidin response to three consecutive days of endurance training in hypoxia., European journal of applied physiology, 121(4), 1197-1205, 202104
  12. Exogenous glucose oxidation during endurance exercise in hypoxia., Physiological reports, 8(13), e14457, 202007
  13. Muscle oxygenation, endocrine and metabolic regulation during low-intensity endurance exercise with blood flow restriction., Physical activity and nutrition, 24(2), 30-37, 20200630
  14. ★, No effect of supplemented heat stress during an acute endurance exercise session in hypoxia on hepcidin regulation., European journal of applied physiology, 120(6), 1331-1340, 202006
  15. Acute performance and physiological responses to repeated-sprint exercise in a combined hot and hypoxic environment., Physiological reports, 8(12), e14466, 202006
  16. Partial sleep deprivation after an acute exercise session does not augment hepcidin levels the following day., Physiological reports, 8(10), e14450, 202005
  17. Resistance exercise causes greater serum hepcidin elevation than endurance (cycling) exercise., PloS one, 15(2), e0228766, 2020
  18. Endocrine and Metabolic Responses to Endurance Exercise Under Hot and Hypoxic Conditions., Frontiers in physiology, 11, 932-932, 2020
  19. ★, Effects of diet before endurance exercise on hepcidin response in young untrained females., Journal of exercise nutrition & biochemistry, 22(4), 55-61, 20181231

Invited Lecture, Oral Presentation, Poster Presentation

  1. Effects of Varying Carbohydrate Intake on Energy Metabolism Under Low Energy Availability, Hayashi N, Lin C, Yamada M, Ishikawa A, Kamemoto K, Sunaga-Sakamaki M, Goto K, The 36th Annual Conference of Japan Society of Training Science for Exercise and Sport, 2023/10/29, Without Invitation, Japanese
  2. Energy Deficiency–Induced Iron Deficiency: The Role of Hepcidin in the Regulation of Iron Metabolism, Hayashi N, The 33rd Annual Meeting of Japan Society of Exercise and Sports Physiology, 2025/07/12, Without Invitation, Japanese
  3. Influence of carbohydrate manipulation on hepcidin response during endurance training with low energy availability, Hayashi N, Lin C, Ishibashi A, Sunaga-Sakamaki M, Okazaki K, Goto K, The 78th Annual Meeting of JSPFSM, 2024/09/04, Without Invitation, Japanese
  4. Effects of exogenous ketone supplementation on post-exercise erythropoietin and hepcidin responses, Hayashi N, Yamada M, Ishikawa A, Kamemoto K, Okazaki K, Sunaga-Sakamaki M, The 78th Annual Meeting of JSPFSM, 2025/09/18, Without Invitation, Japanese
  5. Iron Deficiency in Athletes: Insights into the Relationship Between Low Energy Availability and Iron Metabolism, Hayashi N, 2023 Annual Meeting of the Japanese Society for Women's Sports Medicine, 2024/03/09, With Invitation, Japanese
  6. Effects of diet before endurance exercise on hepcidin responses in young females, Hayashi N, Goto K, ACSM 65th Annual Meeting, 2018/05/30, Without Invitation, English
  7. Effects of endurance exercise under heat and hypoxia on hepcidin responses, Hayashi N, Yatsutani H, Mori H, Ito H, Goto K, ACSM 66th Annual Meeting, 2019/05/30, Without Invitation, English
  8. Short-term caloric restriction with low carbohydrate intake augmented baseline hepcidin levels in young females, Hayashi N, Iwata A, Yatsutani H, Ishibashi A, Goto K, ACSM 67th Annual Meeting, 2020/05/26, Without Invitation, English, Virtual
  9. Long-term of imidazole dipeptides supplementation attenuated exercise-induced hepcidin elevation, Hayashi N, Nagatsuka H, Sato M, Goto K, 25th ECSS Anniversary Congress, 2020/10/28, Without Invitation, English, Virtural
  10. Iron metabolism and inflammatory responses after endurance running during the different phases of the menstrual cycle, Hayashi N, Misonoo, Y, Nagatsuka, H, Goto, K, ACSM 68th Annual Meeting, 2021/06/01, Without Invitation, English, Virtual
  11. Exercise-induced hemolysis and iron regulation in response to mechanical stress, Hayashi N, Nagatsuka H, Ota N, Goto K, ACSM 69th Annual Meeting, 2022/06/03, Without Invitation, English
  12. Influence of carbohydrate manipulation in iron regulation during endurance training with low energy availability, Hayashi N, Lin C, Yamaguchi K, Ishibashi A, Badenhorst C, Sakamaki-Sunaga M, Goto K, ACSM 70th Annual Meeting, 2024/06/01, Without Invitation, English
  13. Does different carbohydrate intake affect beta-hydroxybutyrate elevation and glucose metabolism in a state of low energy availability?, Hayashi N, Lin C, Yamada M, Ishikawa A, Sakamaki-Sunaga, M, Goto K, 29th ECSS Annual Congress, 2024/07/05, Without Invitation, English
  14. Effects of exogenous ketone supplementation on post-exercise erythropoietin and hepcidin responses, Hayashi N, Yamada M, Kamemoto K, Okazaki K, Sakamaki-Sunaga M, 30th ECSS Annual Congress, 2025/07/03, Without Invitation, English

External Funds

Acceptance Results of Competitive Funds

  1. 2025/04/01, 2029/03/31
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  2. 2024/04/01, 2027/03/31
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  3. 2021/04/28, 2023/03/31
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Social Activities

History as Peer Reviews of Academic Papers

  1. 2026, Japanese Journal of Sports Nutrition, Others, 1
  2. 2026, European Journal of Applied Physiology, Others, 2
  3. 2025, European Journal of Applied Physiology, Others, 1