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下山寛之

Sagayama, Hiroyuki

体育系 , 助教
Faculty of Health and Sport Sciences , Assistant Professor

https://sites.google.com/view/tsukuba-exercise-nutirition/sagayama-lab?authuser=0

オープンアクセス版の論文は「つくばリポジトリ」で読むことができます。

1. Hydration, water requirements, and energy balance from spring to summer in free-living older adults: a doubly labelled water study Kim, Hyeon-Ki; Nakayama, Yui; Yoshida, Tsukasa; Yokoyama, Keiichi (+11 著者) Kyoto-Kameoka Study Group
Scientific reports (2026) Semantic Scholar
2. Sex Differences in Measures of Energy Expenditure and Body Composition in Young, Middle-Aged, and Older Adults Cabre, Hannah E.; Marlatt, Kara L.; Fernández-Verdejo, Rodrigo; Beyl, Robbie (+73 著者) Ravussin, Eric
Current developments in nutrition 10: (2026) Semantic Scholar
3. Reply to Uzoigwe: DLW is safe and validated McGrosky, Amanda; Luke, Amy; Rood, Jennifer; Sagayama, Hiroyuki (+4 著者) Pontzer, Herman
Proceedings of the National Academy of Sciences of the United States of America 122: (2025) Semantic Scholar
4. Characterizing link among phase angle, muscle strength, body composition variables, and urine metabolites in Japanese females with or without dysmenorrhea: A pilot study Khatun, Suraiya; Uchizawa, Akiko; Kondo, Emi; Yajima, Katsuhiko (+7 著者) Sagayama, Hiroyuki
Physiology & Behavior 300: (2025) Semantic Scholar
5. The volume of occupational physical activity, lower back pain and workload among route salespeople in the beverage vending machine industry: a pilot study Kose, Yujiro; Nunome, Hiroyuki; Sagayama, Hiroyuki
Physical activity and nutrition 29: 13 (2025) Semantic Scholar
6. Effects of replacing meat and fish with pulse intake on circulating fibroblast growth factor-23 levels during a 12-week dietary weight-loss intervention using the Four-Food-Group Point Method: a pilot randomized controlled study. Masaki Yoshioka; Tomoko Kaneko; Jiawei Wan; Akiko Uchizawa (+5 著者) Keisei Kosaki
Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme (2025) Semantic Scholar
7. Energy expenditure and obesity across the economic spectrum McGrosky, Amanda; Luke, Amy; Arab, Leonore; Bedu-Addo, Kweku (+65 著者) IAEA DLW Database Consortium
Proceedings of the National Academy of Sciences of the United States of America 122: (2025) Semantic Scholar
8. Exploring the association between bioelectrical impedance parameters and body composition in women with and without dysmenorrhea and postmenopause Khatun, Suraiya; Uchizawa, Akiko; Kondo, Emi; Silva, Analiza M. (+9 著者) Sagayama, Hiroyuki
Physiological reports 13: (2025) Semantic Scholar
9. ランナーのための減量の基礎知識下山, 寛之
ランニングマガジン・クリール (2025)
10. Isotope Dilution for Measuring Total Energy Expenditure, Water Turnover, and Total Body Water in Athletes: A Systematic Review Jesus, Filipe; Costello, Nessan B.; Kondo, Emi; Francisco, Rúben (+14 著者) Silva, Analiza M.
International journal of sport nutrition and exercise metabolism 1 (2025) Semantic Scholar
11. Difference in subjective sleep quality and related lifestyle habits of student-athletes according to chronotype: a cross-sectional study Monma, Takafumi; Yoshida, Goichiro; Fujita, Eiji; Yamane, Maki (+3 著者) Takeda, Fumi
BMC Sports Science, Medicine and Rehabilitation 17: 122 (2025) Semantic Scholar
12. 学生アスリートにおける仮眠と夜間睡眠との関係門間, 貴史; 吉田, 剛一郎; 藤田, 英二; 山根, 真紀 (+3 著者) 武田, 文
筑波大学体育系紀要 48: 17 (2025)
13. Trends in body mass between finalist teams in the Japanese collegiate rugby union championship: a 15-year analysis Sagayama, Hiroyuki; Yamasaki, Shogo; Uchizawa, Akiko; Ahagon, YukiShimasaki, Tatsuya
Frontiers in sports and active living 7: (2025) Semantic Scholar
14. Energy Expenditure and slow-wave sleep in runners: Focusing on reproductive function, chronic training, and sex Uchizawa, Akiko; Osumi, Haruka; Zhang, Simeng; Yajima, Katsuhiko (+8 著者) Sagayama, Hiroyuki
iScience 28: (2025) Semantic Scholar
15. Predictive equation derived from 6,497 doubly labelled water measurements enables the detection of erroneous self-reported energy intake Rania Bajunaid; Chaoqun Niu; Catherine Hambly; Zongfang Liu (+93 著者) John R. Speakman
Nature Food (2025) Semantic Scholar
16. Decline in Isotope Dilution Space Ratio Above Age 60 Could Affect Energy Estimates Using the Doubly Labeled Water Method Wong, William W.; Speakman, John R.; Ainslie, Philip N.; Anderson, Liam J. (+75 著者) Yamada, Yosuke
Journal of Nutrition 154: 3824 (2024) Semantic Scholar
17. Acute Vigorous Exercise Decreases Subsequent Nonexercise Physical Activity and Body Temperature Linked to Weight Gain Funabashi, Daisuke; Dobashi, Shohei; Sameshima, Kazuki; Sagayama, Hiroyuki (+1 著者) Matsui, Takashi
MEDICINE & SCIENCE IN SPORTS & EXERCISE 56: 1964 (2024) Semantic Scholar
18. 体重階級制競技における計量から試合までの時間の戦略的活用(特集スポーツと時間栄養学・時間運動学-いつ食べて, いつ運動するか-)--(応用編) 近藤, 衣美; 下山, 寛之
The Journal of clinical sports medicine 41: 626 (2024)
19. Glycated hemoglobin (HbA1c) is independently associated with the bioelectrical impedance phase angle in junior sumo wrestlers: A pilot study Khatun, Suraiya; Ogawa, Miori; Uchizawa, Akiko; Hoshi, Daisuke (+4 著者) Sagayama, Hiroyuki
PHYSIOLOGICAL REPORTS 12: (2024) Semantic Scholar
20. Evaluation of energy balance estimated from total energy expenditure and body composition changes in junior sumo wrestlers: An observational study over six months Ogawa, Miori; Uchizawa, Akiko; Tamai, Shinsuke; Momma, Reiko (+3 著者) Watanabe, Koichi
Cureus 16: (2024) Semantic Scholar

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1. スポーツ栄養学─スポーツ現場を支える科学的データ・理論─ 下山, 寛之
大修館書店 2023年9月 (ISBN: 9784469269451)
2. 2020年版スポーツ栄養学最新理論近藤, 衣美; 下山, 寛之 (担当:分担執筆, 範囲:第7章減量とパフォーマンス)
2020年

41. 尿中タイチンNフラグメントは健康な若年男性における伸張性運動後の筋損傷指標として有用か? 藤井, 直人; 田名辺, 陽子; 清水, 和弘; 下山, 寛之; 髙橋, 英幸
第74回日本体力医学会大会 2019年9月
42. Urinary N-terminal fragment of titin is a novel noninvasive biomarker for the exercise-induced muscle damage in healthy young adults Tanabe, Yoko; Shimizu, Kazuhiro; Sagayama, Hiroyuki; Fujii, Naoto; Takahashi, Hideyuki
24th Annual Congress of the European College of Sport Science 2019年7月3日
43. Effects of high-carbohydrate meal on muscle glycogen and physical performance after rapid weight loss in elite collegiate wrestlers Kondo, Emi; Shiose, Keisuke; Sagayama, Hiroyuki; Motonaga, Keiko; Nishimaki, Mio; Yamashita, Daichi; Kamei, Akiko; Nakajima, Kohei; Nishiguchi, Shigeki; Takahashi, Hideyuki
24th Annual Congress of the European College of Sport Science 2019年7月3日
44. Effects of high-carbohydrate meal on muscle glycogen and physical performance after rapid weight loss in elite collegiate wrestlers Kondo, Emi; Shiose, Keisuke; Sagayama, Hiroyuki; Motonaga, Keiko; Nishimaki, Mio; Yamashita, Daichi; Kamei, Akiko; Nakajima, Kohei; Nishiguchi, Shigeki; Takahashi, Hideyuki
24th Annual Congress of the European College of Sport Science 2019年6月3日
45. Urinary N-terminal fragment of titin is a novel noninvasive biomarker for the exercise-induced muscle damage in healthy young adults Tanabe, Yoko; Shimizu, Kazuhiro; Sagayama, Hiroyuki; Fujii, Naoto; Takahashi, Hideyuki
24th Annual Congress of the European College of Sport Science 2019年6月3日
46. Effects of nap after morning exercise on afternoon performance and overnight sleep in young athletes Ando, Karina; Sagayama, Hiroyuki; Hoshikawa, Masako; Takahashi, Masaki; Shibata, Shigenobu; Takahashi, Hideyuki
66th Annual Meeting of the American College of Sports Medicine 2019年5月28日
47. The International Atomic Energy Agency International Doubly Labelled Water Database: Aims, Scope and Procedures Speakman, John R.; Pontzer, Herman; Rood, Jennifer; Sagayama, Hiroyuki; Schoeller, Dale A.; Westerterp, Klaas R.; Wong, William W.; Yamada, Yosuke; Loechl, Cornelia; Murphy-Alford; Alexia J.
IAEA-UNICEF-WHO International Symposium on Understanding the Double Burden of Malnutrition for Effective Interventions 2018年12月10日
48. 通常練習期のアスリートにおける腸内細菌叢への影響要因の検討谷村, 祐子; 清水, 和弘; 玉井, 伸典; 下山, 寛之; 川端, 雅人; 木下, 訓光
第78回日本体力医学会大会
49. Assessment of energy metabolism during sleep using metabolomics of biological samples Yajima, Katsuhiko; Uchizawa, Akiko; Sagayama, Hiroyuki
ARIHHP Human High Performance Forum 2026 筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）
50. Water turnover and glucose metabolism in judo athletes using stable isotopes Takubo, Narumasa; Uchizawa, Akiko; Kondo, Emi; Hiraoka, Hiroaki; Masuch, Katsuyuki; Okada, Hirotaka; Sagayama, Hiroyuki
ARIHHP Human High Performance Forum 2026 筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）
51. Effects of moderate-intensity exercise in hypoxia on energy metabolism during sleep Ikai, Mariko; Uchizawa, Akiko; Kiriyama, Miyu; Takubo, Narumasa; Tai, Yuki; Khatun, Suraiya; Sagayama, Hiroyuki
ARIHHP Human High Performance Forum 2026 筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）
52. How much energy is required to maintain fat-free mass in highly trained individuals with large body size? Sagayama, Hiroyuki; Kondo, Emi; Ishibashi, Aya; Uchizawa, Akiko
Clinical Nutrition ESPEN
53. Differential association of phase angle with acylcarnitine metabolites and muscle strength in women with and without dysmenorrhea Conference Paper Khatun, Suraiya; Uchizawa, Akiko; Kondo, Emi; Yajima, Katsuhiko; Hoshi, Daisuke; Tanaka, Yoshiaki; Mukai, Naoki; Watanabe, Koichi; Tanaka, Kiyoji; SAGAYAMA, Hiroyuki
Clinical Nutrition ESPEN
54. Comparison of hydration status and water turnover in collegiate athletes during summer and winter: A pilot study Kondo, Emi; Takubo, Narumasa; Uchizawa, Akiko; Hiraoka, Hiroaki; Okada, Hirotaka; SAGAYAMA, Hiroyuki
Clinical Nutrition ESPEN
55. Resting and sleeping metabolic rate are suppressed with increased running distance, independent of menstrual status Uchizawa, Akiko; Kondo, Emi; Enomoto, Yasushi; Yajima, Katsuhiko; Tamai, Shinsuke; Watanabe, Koichi; Ito, Ai; Kosugi, Miki; Higaki, Yasuki; SAGAYAMA, Hiroyuki
Recent Advances & Controversies in the Measurement of Energy Metabolism (RACMEM)
56. Total energy expenditure and body composition using stable isotope dilution methods in humans SAGAYAMA, Hiroyuki
247th WPI-IIIS Seminar 招待有り
57. Tendency of Phase Angle to Decrease and its Altered Association with Leg Strength in Females with Dysmenorrhea Suraiya Khalun; Uchizawa, Akiko; Emi Kondo; Mukai, Naoki; Watanabe, Koichi; 麻見, 直美; Tanaka, Kiyoji; Sagayama, Hiroyuki
ARIHHP Human High Performance Forum 2026 筑波大学体育系ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP）
58. Contribution of fat-free mass component to water turnover in male athletes Sagayama, Hiroyuki; Tanabe, Yoko; Uchizawa, Akiko; Takahashi, Hideyuki; Kondo, Emi
12th International Symposium on In Vivo Body Composition Studies
59. Effects of weight loss period on bioelectrical impedance parameters in combat sports Kondo, Emi; Uchizawa, Akiko; SAGAYAMA, Hiroyuki
12th International Symposium on In Vivo Body Composition Studies
60. Raw bioelectrical parameters as indicators of overnight metabolic flexibility: Apilot study Uchizawa, Akiko; Kondo, Emi; Khatun, Suraiya; Ikai, Mariko; SAGAYAMA, Hiroyuki
12th International Symposium on In Vivo Body Composition Studies