Uchizawa Akiko 内沢彰子

Researcher Number	70985811
Other IDs
Affiliation (Current)	2025: 独立行政法人日本スポーツ振興センター国立スポーツ科学センター, スポーツ科学研究部門, 特別研究員
Affiliation (based on the past Project Information) *help	2025: 独立行政法人日本スポーツ振興センター国立スポーツ科学センター, スポーツ科学研究部門, 特別研究員 2024: 筑波大学, 体育系, 研究員 2023: 筑波大学, 体育系, 特別研究員(PD)
Review Section/Research Field	Principal Investigator Basic Section 59040:Nutrition science and health science-related Except Principal Investigator Medium-sized Section 59:Sports sciences, physical education, health sciences, and related fields
Keywords	Principal Investigator 免疫機能 / 産後 / 月経再開 / エネルギー代謝適応 Except Principal Investigator データベース / 女性アスリート / 安定同位体希釈 / BIA / 生体電気インピーダンス / アスリート / 月経周期 / 水分代謝

妊娠から産後にかけたエネルギー代謝調整の解明：生殖機能と免疫機能との関連性の検討Principal Investigator
- Principal Investigator
  
  内沢彰子
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 59040:Nutrition science and health science-related
- Research Institution
  National Agency for the Advancement of Sports and Health
Comprehensive understanding of water turnover mechanisms throughout the menstrual cycle in female athletes
- Principal Investigator
  
  下山寛之
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Fund for the Promotion of Joint International Research (International Collaborative Research)
- Review Section
  
  Medium-sized Section 59:Sports sciences, physical education, health sciences, and related fields
- Research Institution
  University of Tsukuba

All 2025 2024 2023

All Journal Article Presentation

[Journal Article] Energy expenditure and slow-wave sleep in runners: Focusing on reproductive function, chronic training, and sex2025
- Author(s)
  Uchizawa Akiko、Osumi Haruka、Zhang Simeng、Yajima Katsuhiko、Funayama Airi、Kondo Emi、Suzuki Yoko、Tanaka Yoshiaki、Park Insung、Enomoto Yasushi、Omi Naomi、Tokuyama Kumpei、Sagayama Hiroyuki
- Journal Title
  
  iScience
  
  Volume: 28 Issue: 2 Pages: 111717-111717
- DOI
  10.1016/j.isci.2024.111717
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K27969, KAKENHI-PROJECT-23KK0177
[Journal Article] Trends in body mass between finalist teams in the Japanese collegiate rugby union championship: a 15-year analysis2025
- Author(s)
  Sagayama Hiroyuki、Yamasaki Shogo、Uchizawa Akiko、Ahagon Yuki、Shimasaki Tatsuya
- Journal Title
  
  Frontiers in Sports and Active Living
  
  Volume: 7
- DOI
  10.3389/fspor.2025.1496093
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K27969, KAKENHI-PROJECT-23KK0177
[Journal Article] Evaluation of Energy Balance Estimated From Total Energy Expenditure and Body Composition Changes in Junior Sumo Wrestlers: An Observational Study Over Six Months2024
- Author(s)
  Ogawa Miori、Uchizawa Akiko、Tamai Shinsuke、Momma Reiko、Hoshi Daisuke、Kondo Emi、Sagayama Hiroyuki、Watanabe Koichi
- Journal Title
  
  Cureus
  
  Volume: -
- DOI
  10.7759/cureus.61158
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K27969, KAKENHI-PROJECT-24KJ2216, KAKENHI-PROJECT-23KK0177
[Journal Article] Glycated hemoglobin (<scp>HbA1c</scp>) is independently associated with the bioelectrical impedance phase angle in junior sumo wrestlers: A pilot study2024
- Author(s)
  Khatun Suraiya、Ogawa Miori、Uchizawa Akiko、Hoshi Daisuke、Tamai Shinsuke、Momma Reiko、Kondo Emi、Watanabe Koichi、Sagayama Hiroyuki
- Journal Title
  
  Physiological Reports
  
  Volume: 12 Issue: 9
- DOI
  10.14814/phy2.16045
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K27969, KAKENHI-PROJECT-24KJ2216, KAKENHI-PROJECT-23KK0177
[Journal Article] Nutritional and Training Strategies for Actual Competition in World-Class Japanese Female Wrestler: A Case Report2024
- Author(s)
  KONDO Emi、SAITO Masashi、UCHIZAWA Akiko、TAMAI Shinsuke、WATANABE Koichi、SAGAYAMA Hiroyuki
- Journal Title
  
  Journal of Nutritional Science and Vitaminology
  
  Volume: 70 Issue: 1 Pages: 72-75
- DOI
  10.3177/jnsv.70.72
- ISSN
  0301-4800, 1881-7742
- Year and Date
  2024-02-29
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22KJ0340, KAKENHI-PROJECT-23K27969, KAKENHI-PROJECT-23KK0177
[Presentation] Effects of weight loss period on bioelectrical impedance parameters in combat sports2025
- Author(s)
  Kondo Emi; Uchizawa Akiko; Sagayama Hiroyuki
- Organizer
  12th International Symposium on In Vivo Body Composition Studies
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0177
[Presentation] Contribution of fat-free mass component to water turnover in male athletes2025
- Author(s)
  Sagayama Hiroyuki; Tanabe Yoko; Uchizawa Akiko; Takahashi Hideyuki; Kondo Emi
- Organizer
  12th International Symposium on In Vivo Body Composition Studies
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0177
[Presentation] Raw bioelectrical parameters as indicators of overnight metabolic flexibility: Apilot study2025
- Author(s)
  Uchizawa Akiko; Kondo Emi; Khatun Suraiya; Ikai Marikko; Sagayama Hiroyuki
- Organizer
  12th International Symposium on In Vivo Body Composition Studies
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0177
[Presentation] 大学女子中長距離ランナーの総エネルギー消費量とその構成要素－月経の有無による比較－2024
- Author(s)
  内沢彰子; 近藤衣美; 玉井伸典; 矢島克彦; 下山寛之
- Organizer
  第32回体力・栄養・免疫学会
- Data Source
  KAKENHI-PROJECT-23KK0177
[Presentation] Comparison of bioelectrical impedance phase angle in the menopausal and dysmenorrhea females to control females2024
- Author(s)
  Khatun Suraiya; Uchizawa Akiko; Kondo Emi, et al.
- Organizer
  ARIHHP Human High Performance Forum 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0177
[Presentation] 生体電気インピーダンスベクトル解析による若年女性ランナーの身体的特異性の評価－運動習慣と月経の有無に基づく検討－2024
- Author(s)
  内沢彰子; 近藤衣美; Suraiya Khatun; 下山寛之
- Organizer
  第78回日本栄養・食糧学会大会
- Data Source
  KAKENHI-PROJECT-23KK0177
[Presentation] Sleeping energy expenditure and slow-wave sleep fluctuations: A comparative study between menstruating and amenorrheic female runners2023
- Author(s)
  Uchizawa Akiko; Sagayama Hiroyuki
- Organizer
  INTERNATIONAL SPORT + EXERCISE NUTRITION CONFERENCE 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0177
[Presentation] Phase angle by bioelectrical impedance analysis as a predictive marker for glycemic control in Japanese junior sumo wrestlers2023
- Author(s)
  Khatun Suraiya; Ogawa Miori; Uchizawa Akiko, et al.
- Organizer
  INTERNATIONAL SPORT + EXERCISE NUTRITION CONFERENCE 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0177

1. 下山寛之 (80760652)

# of Collaborated Projects: 1 results

# of Collaborated Products: 10 results
2. 近藤衣美 (50515707)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
3. 塩瀬圭佑 (70708106)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 冨賀理恵 (80881218)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. WATANABE Koichi

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results

Uchizawa Akiko 内沢 彰子

Research Projects

Research Products

Co-Researchers

妊娠から産後にかけたエネルギー代謝調整の解明：生殖機能と免疫機能との関連性の検討Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Comprehensive understanding of water turnover mechanisms throughout the menstrual cycle in female athletes

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Energy expenditure and slow-wave sleep in runners: Focusing on reproductive function, chronic training, and sex2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Trends in body mass between finalist teams in the Japanese collegiate rugby union championship: a 15-year analysis2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Evaluation of Energy Balance Estimated From Total Energy Expenditure and Body Composition Changes in Junior Sumo Wrestlers: An Observational Study Over Six Months2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Glycated hemoglobin (<scp>HbA1c</scp>) is independently associated with the bioelectrical impedance phase angle in junior sumo wrestlers: A pilot study2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Nutritional and Training Strategies for Actual Competition in World-Class Japanese Female Wrestler: A Case Report2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Presentation] Effects of weight loss period on bioelectrical impedance parameters in combat sports2025

Author(s)

Organizer

Data Source

[Presentation] Contribution of fat-free mass component to water turnover in male athletes2025

Author(s)

Organizer

Data Source

[Presentation] Raw bioelectrical parameters as indicators of overnight metabolic flexibility: Apilot study2025

Author(s)

Organizer

Data Source

[Presentation] 大学女子中長距離ランナーの総エネルギー消費量とその構成要素－月経の有無による比較－2024

Author(s)

Organizer

Data Source

[Presentation] Comparison of bioelectrical impedance phase angle in the menopausal and dysmenorrhea females to control females2024

Author(s)

Organizer

Data Source

[Presentation] 生体電気インピーダンスベクトル解析による若年女性ランナーの身体的特異性の評価－運動習慣と月経の有無に基づく検討－2024

Author(s)

Organizer

Data Source

[Presentation] Sleeping energy expenditure and slow-wave sleep fluctuations: A comparative study between menstruating and amenorrheic female runners2023

Author(s)

Organizer

Data Source

[Presentation] Phase angle by bioelectrical impedance analysis as a predictive marker for glycemic control in Japanese junior sumo wrestlers2023

Author(s)

Organizer

Data Source

Uchizawa Akiko 内沢彰子