Akagi Ryota 赤木亮太

… Alternative Names

AKAGI Ryota 赤木亮太

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Researcher Number	20581458
Other IDs
External Links
Affiliation (Current)	2025: 芝浦工業大学, システム理工学部, 教授
Affiliation (based on the past Project Information) *help	2022 – 2024: 芝浦工業大学, システム理工学部, 教授 2017 – 2021: 芝浦工業大学, システム理工学部, 准教授 2017: 芝浦工業大学, システム工学部, 准教授 2016: 芝浦工業大学, システム理工学部, 助教 2013 – 2014: 芝浦工業大学, システム工学部, 助教 … More 2013 – 2014: 芝浦工業大学, システム理工学部, 助教 2011 – 2012: 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, 契約研究員 2010 – 2012: 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, 研究員 Less
Review Section/Research Field	Principal Investigator Sports science / Sports science / Basic Section 58080:Gerontological nursing and community health nursing-related Except Principal Investigator Basic Section 59020:Sports sciences-related / Basic Section 62030:Learning support system-related / Educational technology / Sports science / Rehabilitation science/Welfare engineering
Keywords	Principal Investigator 筋力 / 足関節底屈筋群 / 下腿三頭筋 / 下肢 / 超音波剪断波エラストグラフィ / 筋疲労 / 中強度 / 膝関節伸展筋群 / 筋剛性率 / 腓腹筋内側頭 … More / 筋硬度 / 骨格筋の量・質 / 骨格筋の質・量 / 関節可動域 / 関節角速度 / 関節パワー / 姿勢制御能力 / ドロップジャンプトレーニング / スクワットトレーニング / 全力 / 羽状角 / 筋束長 / トレーニング / 筋の硬さ / パワー / 筋形状 / 筋量 / 高齢者 / 若年者 / レジスタンストレーニング / 自重トレーニング / 個人差 / 低強度 / 筋の剛性率 / 高強度 / 中枢性疲労 / 末梢性疲労 / 活動交代 / 強度依存性 / 等尺性収縮 / 腓腹筋外側頭 / 肘関節伸展動作 / 上腕三頭筋 / 超音波エラストグラフィ / レジスタンスエクササイズ / ストレッチング / 超音波診断装置 / エラストグラフィ / 筋体積 / 筋厚 / 関節トルク / 筋サイズ … More Except Principal Investigator フィードバック手法 / トレーニング支援 / 身体制御 / 運動学習 / 教育工学 / トレーニング / 二関節筋 / 骨格筋 / 硬さ / 神経 / 筋 / 高齢者 / 生体軟組織 / 軟組織 / スティフネス / ストレッチング / 柔軟性 / 加齢 / 肉離れ / NIRS / 脳 / 脈拍 / 呼吸 / 前頭極 / 近赤外分光法 / パッティング / θ波 / 脳波 / fNIRS / ワーキングメモリ / 精神的プレッシャー / 機能的近赤外分光法（fNIRS） / 緊張 / あがり / ニューロフィードバック / 脳活動 / パフォーマンス / 大腿直筋瞬発的な筋力 / 筋長 / 大腿直筋 / 筋損傷 / コンディショニング / クーリング / 磁気共鳴画像法 Less

身体パフォーマンス向上と怪我予防を両立するトレーニング基盤の確立
- Principal Investigator
  
  江間諒一
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 59020:Sports sciences-related
- Research Institution
  Shizuoka Sangyo University
高齢者の転倒予防プログラムの開発：歩行中の瞬時の姿勢制御能力向上に着目してPrincipal Investigator
- Principal Investigator
  
  赤木亮太
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 58080:Gerontological nursing and community health nursing-related
- Research Institution
  Shibaura Institute of Technology
高齢者の柔軟性改善策の確立に向けた基盤創成：軟組織の硬さに着目して
- Principal Investigator
  
  平田浩祐
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 59020:Sports sciences-related
- Research Institution
  University of Tsukuba
  Waseda University
Development of a neurophysiological "choking under pressure" index and its application to neurofeedback training
- Principal Investigator
  
  SATO Hiroki
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 59020:Sports sciences-related
- Research Institution
  Shibaura Institute of Technology
Development of a viewing support system that adds symbol information to daily exercise videos
- Principal Investigator
  
  Gotoda Naka
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 62030:Learning support system-related
- Research Institution
  Kagawa University
Elucidating the Mechanisms of Muscle Fatigue: An Approach Considering Improvement in Muscle Fatigue Resistance Accompanying Strength TrainingPrincipal Investigator
- Principal Investigator
  
  Akagi Ryota
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research)
- Research Field
  
  Sports science
- Research Institution
  Shibaura Institute of Technology
Clarification of the mechanism of muscle fatigue: a shear wave ultrasound elastography studyPrincipal Investigator
- Principal Investigator
  
  Akagi Ryota
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Sports science
- Research Institution
  Shibaura Institute of Technology
Establishment of exercise program based on recruitment of biarticular muscles and sports injury avoidance
- Principal Investigator
  
  Ema Ryoichi
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Sports science
- Research Institution
  Shizuoka Sangyo University
  Shibaura Institute of Technology
Development of a support system of skill learning based on selectable perception
- Principal Investigator
  
  Gotoda Naka
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Educational technology
- Research Institution
  Kagawa University
Acute and chronic effects of muscle hardness changes on muscle force productionPrincipal Investigator
- Principal Investigator
  
  AKAGI Ryota
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Sports science
- Research Institution
  Shibaura Institute of Technology
  National Agency for the Advancement of Sports and Health
The visualization of the temperature change by the icing using the magnetic resonance imaging
- Principal Investigator
  
  MABUCHI HIROYUKI
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Rehabilitation science/Welfare engineering
- Research Institution
  Wakayama Medical University
Establishing a method for assessment of muscle hardnessPrincipal Investigator
- Principal Investigator
  
  AKAGI Ryota
- Project Period (FY)
  2010 – 2011
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Sports science
- Research Institution
  National Agency for the Advancement of Sports and Health

All 2023 2022 2021 2020 2019 2018 2017 2015 2014 2013 2012 2011 2010 Other

All Journal Article Presentation

[Journal Article] Acute effect of static stretching on non-muscular tissue stiffness and joint flexibility: a comparative study between older and young men2023
- Author(s)
  Hirata Kosuke、Akagi Ryota
- Journal Title
  
  European Journal of Applied Physiology
  
  Volume: 124 Issue: 3 Pages: 793-803
- DOI
  10.1007/s00421-023-05307-z
- Data Source
  KAKENHI-PROJECT-23K24729
[Journal Article] Contribution of muscle stiffness of the triceps surae to passive ankle joint stiffness in young and older adults2022
- Author(s)
  Hirata Kosuke、Akagi Ryota
- Journal Title
  
  Frontiers in Physiology
  
  Volume: 13
- DOI
  10.3389/fphys.2022.972755
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K24729
[Journal Article] Can phase angle from bioelectrical impedance analysis associate with neuromuscular properties of the knee extensors?2022
- Author(s)
  Hirata Kosuke、Ito Mari、Nomura Yuta、Yoshida Tsukasa、Yamada Yosuke、Akagi Ryota
- Journal Title
  
  Frontiers in Physiology
  
  Volume: 13 Pages: 965827-965827
- DOI
  10.3389/fphys.2022.965827
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17KK0174
[Journal Article] Trade-Off Between Maximal Power Output and Fatigue Resistance of the Knee Extensors for Older Men2022
- Author(s)
  Akagi Ryota、Nomura Yuta、Kawashima Chiho、Ito Mari、Oba Kosuke、Tsuchiya Yuma、Power Geoffrey A.、Hirata Kosuke
- Journal Title
  
  Journal of Aging and Physical Activity
  
  Volume: 30 Issue: 6 Pages: 1003-1013
- DOI
  10.1123/japa.2021-0384
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17KK0174
[Journal Article] Muscle quality indices separately associate with joint-level power-related measures of the knee extensors in older males2022
- Author(s)
  Hirata Kosuke、Ito Mari、Nomura Yuta、Kawashima Chiho、Tsuchiya Yuma、Ooba Kosuke、Yoshida Tsukasa、Yamada Yosuke、Power Geoffrey A.、Tillin Neale A.、Akagi Ryota
- Journal Title
  
  European Journal of Applied Physiology
  
  Volume: 122 Issue: 10 Pages: 2271-2281
- DOI
  10.1007/s00421-022-05005-2
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17KK0174
[Journal Article] Individual differences in knee extensor fatigue induced by sustained mid-level contraction2021
- Author(s)
  Naoya Hirata, Shinya Sato, Hiroki Tanimoto, Naoto Imaizumi, Kosuke Hirata, Ryota Akagi
- Journal Title
  
  The Journal of Physical Fitness and Sports Medicine
  
  Volume: in press
- NAID
  130008088911
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17KK0174
[Journal Article] Promotion System for Home-Based Squat Training Using OpenPose2020
- Author(s)
  Hirasawa Yuki、Gotoda Naka、Kanda Ryo、Hirata Kosuke、Akagi Ryota
- Journal Title
  
  2020 IEEE International Conference on Teaching, Assessment, and Learning for Engineering (TALE)
  
  Volume: - Pages: 984-986
- DOI
  10.1109/tale48869.2020.9368366
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K12270
[Journal Article] Differential contributions of fatigue‐induced strength loss and slowing of angular velocity to power loss following repeated maximal shortening contractions2020
- Author(s)
  Akagi R, Hinks A, Davidson B, Power GA.
- Journal Title
  
  Physiological Reports
  
  Volume: 8 Issue: 3
- DOI
  10.14814/phy2.14362
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17KK0174
[Journal Article] Eight-week low-intensity squat training at slow speed simultaneously improves knee and hip flexion and extension strength2020
- Author(s)
  Ryota Akagi, Shinya Sato, Naoya Hirata, Naoto Imaizumi, Hiroki Tanimoto, Ryosuke Ando, Ryoichi Ema, Kosuke Hirata
- Journal Title
  
  Frontiers in Physiology
  
  Volume: 11 Pages: 893-893
- DOI
  10.3389/fphys.2020.00893
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K17813, KAKENHI-PROJECT-19K19985, KAKENHI-PROJECT-17KK0174, KAKENHI-PROJECT-18J00400
[Journal Article] Differential changes in muscle architecture and neuromuscular fatigability induced by isometric resistance training at short and long muscle-tendon unit lengths2020
- Author(s)
  Akagi Ryota、Hinks Avery、Power Geoffrey A.
- Journal Title
  
  Journal of Applied Physiology
  
  Volume: 129 Issue: 1 Pages: 173-184
- DOI
  10.1152/japplphysiol.00280.2020
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17KK0174
[Journal Article] Active recovery has a positive and acute effect on recovery from fatigue induced by repeated maximal voluntary contractions of the plantar flexors2020
- Author(s)
  Akagi Ryota、Imaizumi Naoto、Sato Shinya、Hirata Naoya、Tanimoto Hiroki、Hirata Kosuke
- Journal Title
  
  Journal of Electromyography and Kinesiology
  
  Volume: 50 Pages: 102384-102384
- DOI
  10.1016/j.jelekin.2019.102384
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K19985, KAKENHI-PROJECT-17KK0174, KAKENHI-PROJECT-18J00400
[Journal Article] Development of a Promotion System for Home-Based Squat Training for Elderly People2019
- Author(s)
  Hirasawa Yuki、Ishioka Takuya、Gotoda Naka、Hirata Kosuke、Akagi Ryota
- Journal Title
  
  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
  
  Volume: 11570 LNCS Pages: 492-501
- DOI
  10.1007/978-3-030-22649-7_39
- ISBN
  9783030226480, 9783030226497
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K12270
[Journal Article] Muscle size-strength relationship including ultrasonographic echo intensity and voluntary activation level of a muscle group2018
- Author(s)
  Akagi Ryota、Suzuki Momoka、Kawaguchi Emi、Miyamoto Naokazu、Yamada Yosuke、Ema Ryoichi
- Journal Title
  
  Archives of Gerontology and Geriatrics
  
  Volume: 75 Pages: 185-190
- DOI
  10.1016/j.archger.2017.12.012
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H05918
[Journal Article] Effects of sex and joint action on voluntary activation2018
- Author(s)
  Ema Ryoichi、Suzuki Momoka、Kawaguchi Emi、Saito Itaru、Akagi Ryota
- Journal Title
  
  PeerJ
  
  Volume: 6 Pages: e5968-e5968
- DOI
  10.7717/peerj.5968
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K01671, KAKENHI-PROJECT-16H05918
[Journal Article] Initial Evaluation of a Pose-Analysis System for Education of Disability Prevention with Stretch2017
- Author(s)
  Naka Gotoda, Ryota Akagi, Shuji Kidokoro
- Journal Title
  
  WIPP Proceedings of ICCE2017
  
  Volume: 1 Pages: 4-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K16321
[Journal Article] Muscle Shear Moduli Changes and Frequency of Alternate Muscle Activity of Plantar Flexor Synergists Induced by Prolonged Low-Level Contraction2017
- Author(s)
  Akagi Ryota、Fukui Takahito、Kubota Masato、Nakamura Masashi、Ema Ryoichi
- Journal Title
  
  Frontiers in Physiology
  
  Volume: 8 Pages: 708-708
- DOI
  10.3389/fphys.2017.00708
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H05918
[Journal Article] Comparison between neck and shoulder stiffness determined by shear wave ultrasound elastography and a muscle hardness meter.2015
- Author(s)
  Akagi R, Kusama S.
- Journal Title
  
  Ultrasound Med Biol
  
  Volume: In press
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Determination of contraction-induced changes in elbow flexor cross-sectional area for evaluating muscle size-strength relationship during contraction.2015
- Author(s)
  Akagi R, Iwanuma S, Hashizume S, Kanehisa H, Fukunaga T, Kawakami Y.
- Journal Title
  
  J Strength Cond Res
  
  Volume: Epub ahead of print
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Applicability of ultrasound muscle thickness measurements for predicting fat-free mass in elderly population2014
- Author(s)
  Takai Y, Ohta M, Akagi R, Kato E, Wakahara T, Kawakami Y, Fukunaga T, Kanehisa H.
- Journal Title
  
  J Nutr Health Aging
  
  Volume: in press
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Muscle hardness of the triceps brachii before and after a resistance exercise session: a shear wave ultrasound elastography study.2014
- Author(s)
  Akagi R, Tanaka J, Shikiba T, Takahashi H.
- Journal Title
  
  Acta Radiol
  
  Volume: Epub ahead of print
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Association between contraction-induced increase in elbow flexor muscle thickness and distal biceps brachii tendon moment arm depends on the muscle thickness measurement site.2014
- Author(s)
  Ryota Akagi, Soichiro Iwanuma, Satoru Hashizume, Hiroaki Kanehisa, Toshimasa Yanai, Yasuo Kawakami.
- Journal Title
  
  Journal of Applied Biomechanics
  
  Volume: 30 Issue: 1 Pages: 134-139
- DOI
  10.1123/jab.2012-0145
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-13J10708, KAKENHI-PROJECT-24300209, KAKENHI-PROJECT-24700689
[Journal Article] 新しい弾性超音波検査の有用性2014
- Author(s)
  赤木亮太
- Journal Title
  
  Monthly Book Medical Rehabilitation
  
  Volume: 169 Pages: 70-75
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] 新しい弾性超音波検査の有用性2014
- Author(s)
  赤木亮太
- Journal Title
  
  MEDICAL REHABILITATION
  
  Volume: 印刷中
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Sex difference in strength and size ratios between reciprocal muscle groups in the lower leg.2013
- Author(s)
  Akagi R, Tohdoh Y, Takahashi H.
- Journal Title
  
  Int J Sports Med
  
  Volume: 34 Issue: 05 Pages: 449-452
- DOI
  10.1055/s-0032-1327654
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Acute effect of static stretching on hardness of the gastrocnemius muscle.2013
- Author(s)
  Akagi R, Takahashi H.
- Journal Title
  
  Med Sci Sports Exerc
  
  Volume: 45 Issue: 7 Pages: 1348-1354
- DOI
  10.1249/mss.0b013e3182850e17
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Strength and size ratios between reciprocal muscle groups in the thigh and lower leg of male collegiate soccer players.2013
- Author(s)
  Akagi R, Tohdoh Y, Takahashi H.
- Journal Title
  
  Clin Physiol Funct Imaging
  
  Volume: 34 Issue: 2 Pages: 121-125
- DOI
  10.1111/cpf.12073
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Measurement of muscle architecture concurrently with muscle hardness using ultrasound strain elastography.2013
- Author(s)
  Chino K, Akagi R, Dohi M, Takahashi H.
- Journal Title
  
  Acta Radiol
  
  Volume: Epub ahead of print
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Effect of a 5-week static stretching program on hardness of the gastrocnemius muscle.2013
- Author(s)
  Akagi R, Takahashi H.
- Journal Title
  
  Scand J Med Sci Sports
  
  Volume: Epub ahead of print Issue: 6 Pages: 950-957
- DOI
  10.1111/sms.12111
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Calculation of force and power during bench throws using a Smith machine: the importance of considering the effect of counterweights.2013
- Author(s)
  Kobayashi Y, Narazaki K, Akagi R, Nakagaki K, Kawamori N, Ohta K.
- Journal Title
  
  Int J Sports Med
  
  Volume: 34 Issue: 09 Pages: 820-824
- DOI
  10.1055/s-0032-1329955
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Relationship of pectoralis major muscle size with bench press and bench throw performances.2013
- Author(s)
  Akagi R, Tohdoh Y, Hirayama K, Kobayashi Y.
- Journal Title
  
  J Strength Cond Res
  
  Volume: Epub ahead of print
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Validity of ultrasound muscle thickness measurements for predicting leg skeletal muscle mass in healthy Japanese middle-aged and older individuals.2013
- Author(s)
  Takai Y, Ohta M, Akagi R, Kato E, Wakahara T, Kawakami Y, Fukunaga T, Kanehisa H.
- Journal Title
  
  J Physiol Anthropol
  
  Volume: 32 Issue: 1 Pages: 12-12
- DOI
  10.1186/1880-6805-32-12
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689, KAKENHI-PROJECT-24700770
[Journal Article] Association between contraction-induced increases in elbow flexor muscle thickness and distal biceps brachii tendon moment arm depends on the muscle thickness measurement site.2013
- Author(s)
  Akagi R, Iwanuma S, Hashizume S, Kanehisa H, Yanai T, Kawakami Y.
- Journal Title
  
  J Appl Biomech
  
  Volume: In press
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] Muscle strength and size balances between reciprocal muscle groups in the thigh and lower leg for young men2012
- Author(s)
  Akagi R, Tohdoh Y, Takahashi, H
- Journal Title
  
  International Journal of Sports Medicine
  
  Volume: Vol.33 Issue: 05 Pages: 386-389
- DOI
  10.1055/s-0031-1299700
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22800089
[Journal Article] Relationships between muscle size and hardness of the medial gastrocnemius at different ankle joint angles in young men2012
- Author(s)
  Akagi R, Chino K, Dohi M, Takahashi H
- Journal Title
  
  Acta Radiologica
  
  Volume: Vol.53 Issue: 3 Pages: 307-311
- DOI
  10.1258/ar.2011.110481
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22800089
[Journal Article] Reliability and validity of quantifying absolute muscle hardness using ultrasound elastography.2012
- Author(s)
  Chino K, Akagi R, Dohi M, Fukashiro S, Takahashi H.
- Journal Title
  
  PLoS One.
  
  Volume: 7 Issue: 9 Pages: e45764-e45764
- DOI
  10.1371/journal.pone.0045764
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24700689
[Journal Article] In vivo measurements of moment arm lengths of three elbow flexors at rest and during isometric contractions2012
- Author(s)
  Akagi R, Iwanuma S, Hashizume S, Kanehisa H, Yanai T, Kawakami Y
- Journal Title
  
  Journal of Applied Biomechanics
  
  Volume: Vol.28 Pages: 63-69
- URL
  http://journals.humankinetics.com/jabback-issues/jab-volume-28-issue-1-february/in-vivo-measurements-of-momentarm-lengths-of-three-elbow-flexors-atrest-and-during-contractions
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22800089
[Journal Article] In vivo determination of the Achilles tendon moment arm in three-dimensions2012
- Author(s)
  Hashizume S, Iwanuma S, Akagi R, Kanehisa H, Kawakami Y, Yanai T
- Journal Title
  
  Journal of Biomechanics
  
  Volume: 45 Issue: 2 Pages: 409-413
- DOI
  10.1016/j.jbiomech.2011.10.018
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22800089
[Journal Article] Longitudinal and transverse deformation of human Achilles tendon induced by isometric plantar flexion at different intensities2011
- Author(s)
  Iwanuma S, Akagi R, Kurihara T, Ikegawa S, Kanehisa H, Fukunaga T, Kawakami Y
- Journal Title
  
  Journal of Applied Physiology
  
  Volume: 110 Issue: 6 Pages: 1615-1621
- DOI
  10.1152/japplphysiol.00776.2010
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J05848, KAKENHI-PROJECT-22800089, KAKENHI-PROJECT-23700688
[Journal Article] Methodological Issues Related to Thickness-Based Muscle Size Evaluation2011
- Author(s)
  Akagi R, Iwanuma S, Fukuoka M, Kanehisa H, Fukunaga T, Kawakami Y
- Journal Title
  
  J Physiol Anthropol
  
  Volume: 30 Issue: 4 Pages: 169-174
- DOI
  10.2114/jpa2.30.169
- NAID
  10029137443
- ISSN
  1880-6791, 1880-6805
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22800089
[Journal Article] Size-strength relationships of the elbow flexors and extensors are not affected by age or gender2011
- Author(s)
  Akagi R, Takai Y, Ohta M, Kanehisa H, Fukunaga T, Kawakami Y
- Journal Title
  
  European Journal of Sport Science
  
  Volume: Vol.11 Issue: 4 Pages: 277-282
- DOI
  10.1080/17461391.2010.509890
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22800089
[Journal Article] Triceps surae muscle-tendon unit length changes as a function of ankle joint angles and contraction levels : the effect of foot arch deformation2011
- Author(s)
  Iwanuma S, Akagi R, Hashizume S, Kanehisa H, Yanai T, Kawakami Y
- Journal Title
  
  Journal of Biomechanics
  
  Volume: 44(14) Issue: 14 Pages: 2579-2583
- DOI
  10.1016/j.jbiomech.2011.07.003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10J05848, KAKENHI-PROJECT-22800089
[Journal Article] In vivo measurements of moment arm lengths of three elbow flexors at rest and during isometric contractions
- Author(s)
  Akagi R, Iwanuma S, Hashizume S, Kanehisa H, Yanai T, Kawakami Y.
- Journal Title
  
  Journal of Applied Biomechanics
  
  Volume: (In press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] 能動的または受動的な素早い股関節屈曲動作時と適応的歩行時における股関節角度制御能力の関係2023
- Author(s)
  松井太志,平田浩祐,宮本直和,赤木亮太
- Organizer
  第36回日本トレーニング科学会大会
- Data Source
  KAKENHI-PROJECT-23K27925
[Presentation] Effects of home-based training using body mass at high speed on explosive strength and power of the knee extensors in older men2022
- Author(s)
  Yuta Nomura, Mari Ito, Yuma Tsuchiya, Chiho Kawashima, Kosuke Oba, Kosuke Hirata, Neale Tillin, Ryota Akagi
- Organizer
  9th World Congress of Biomechanics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17KK0174
[Presentation] 在宅での自重トレーニングが高齢者の筋パワー及び骨格筋細胞量にもたらす効果：膝関節伸展筋群を対象として2021
- Author(s)
  野村祐太，伊藤真理，土屋勇真，川島千穂，大庭功將，山田陽介，吉田司，平田浩祐，赤木亮太
- Organizer
  第34回日本トレーニング科学会大会
- Data Source
  KAKENHI-PROJECT-17KK0174
[Presentation] Knee extensor muscle damage protective effect by maximal isometric contractions of the knee flexors2019
- Author(s)
  Shoji M、Ema R、Kanda A、Hirata K、Nosaka K、Akagi R
- Organizer
  XXVII Congress of the International Society of Biomechanics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01671
[Presentation] Can low-intensity squat exercise improve knee and hip flexion and extension strength simultaneously?2019
- Author(s)
  Shinya Sato, Naoya Hirata, Hiroki Tanimoto, Naoto Imaizumi, Ryosuke Ando, Kosuke Hirata, Ryota Akagi
- Organizer
  ISB/ASB 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17KK0174
[Presentation] 動作習得を対象としたシンボルの重畳表現による映像システムの評価2019
- Author(s)
  石岡匠也, 後藤田中, 赤木亮太, 平沢友貴, 松浦健二, 谷岡広樹, カルンガルステファン, 和田智仁, 米谷雄介, 國枝孝之, 八重樫理人, 林敏浩
- Organizer
  電子情報通信学会ET研究会
- Data Source
  KAKENHI-PROJECT-16K16321
[Presentation] Changes in maximal voluntary contraction torque and rate of torque development after initial and secondary bouts of maximal knee extensor eccentric exercise2019
- Author(s)
  Kanda A、Ema R、Kawashima R、Ikeda K、Hirata K、Nosaka K、Akagi R
- Organizer
  XXVII Congress of the International Society of Biomechanics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01671
[Presentation] 高齢者の在宅トレーニングにおける代償動作検出のための代替動作検出の提案2019
- Author(s)
  鈴木智也, 後藤田中, 久門岳弘, 神田亮, 小林雄志, 米谷雄介, 林敏浩, 八重樫理人, 平沢友貴, 赤木亮太
- Organizer
  第20回計測自動制御学会システムインテグレーション部門講演会
- Data Source
  KAKENHI-PROJECT-19K12270
[Presentation] Individual differences in knee extensor fatigue induced by sustained middle-level contraction2019
- Author(s)
  Hirata N, Hirata K, Akagi R
- Organizer
  XXVII Congress of the International Society of Biomechanics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05918
[Presentation] Effect of muscle length during eccentric contractions on damage and the repeated bout effect of the rectus femoris2019
- Author(s)
  Ema R、Kawashima R、Kanda A、Ikeda K、Nosaka K、Akagi R
- Organizer
  24th European College of Sports Sciences
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01671
[Presentation] 8週間の低強度スロースクワットトレーニングが膝関節伸展筋群の筋疲労耐性に及ぼす効果2019
- Author(s)
  平田尚哉，佐藤伸哉，谷本洋樹，今泉直人，平田浩祐，赤木亮太
- Organizer
  第32回日本トレーニング科学会大会
- Data Source
  KAKENHI-PROJECT-17KK0174
[Presentation] 伸張性運動後数日に亘る随意及び単収縮時の瞬発的な筋力並びに最大筋力の変化様相の一致性～時間局面の違いに着目して～2019
- Author(s)
  神田章裕、江間諒一、赤木亮太
- Organizer
  日本体育学会第70回大会
- Data Source
  KAKENHI-PROJECT-16K01671
[Presentation] 8週間のスクワットトレーニングは大腿部の筋量及び骨格筋細胞量、膝関節伸展筋力及び屈曲筋力を増加させるか？2019
- Author(s)
  伊藤真理，佐藤伸哉，平田尚哉，谷本洋樹，今泉直人，安藤良介，山田陽介，吉田司，平田浩祐，赤木亮太
- Organizer
  第32回日本トレーニング科学会大会
- Data Source
  KAKENHI-PROJECT-17KK0174
[Presentation] 事前に実施する膝関節屈曲筋力発揮が伸張性膝関節伸展運動による筋損傷に及ぼす効果～膝関節伸展筋群各筋に着目して～2019
- Author(s)
  東海林幹生、江間諒一、神田章裕、平田浩祐、赤木亮太
- Organizer
  日本体育学会第70回大会
- Data Source
  KAKENHI-PROJECT-16K01671
[Presentation] Can low-intensity squat exercise improve knee and hip flexion and extension strength simultaneously?2019
- Author(s)
  Sato S, Hirata N, Tanimoto H, Imaizumi N, Ando R, Hirata K, Akagi R
- Organizer
  XXVII Congress of the International Society of Biomechanics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05918
[Presentation] 代償動作改善に向けた骨格推定アルゴリズムを用いた代替動作検出の事前評価2019
- Author(s)
  鈴木智也, 後藤田中, 久門岳弘, 神田亮, 小林雄志, 米谷雄介, 林敏浩, 八重樫理人, 平沢友貴, 赤木亮太
- Organizer
  電気関係学会四国支部連合大会
- Data Source
  KAKENHI-PROJECT-19K12270
[Presentation] Individual differences in knee extensor fatigue induced by sustained middlelevel contraction2019
- Author(s)
  Naoya Hirata, Shinya Sato, Hiroki Tanimoto, Naoto Imaizumi, Kosuke Hirata, Ryota Akagi
- Organizer
  ISB/ASB 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17KK0174
[Presentation] 伸張性運動後における随意及び単収縮時のRate of Torque Developmentの関係：時間局面の違いに着目して2018
- Author(s)
  神田章裕、江間諒一、赤木亮太
- Organizer
  第25回日本バイオメカニクス学会大会
- Data Source
  KAKENHI-PROJECT-16K01671
[Presentation] 足関節底屈における瞬発的な筋力の加齢変化をもたらす要因：神経筋活動の筋間差という視点から2018
- Author(s)
  江間諒一，川口恵実，鈴木桃香，赤木亮太
- Organizer
  日本体育学会第69回大会
- Data Source
  KAKENHI-PROJECT-16H05918
[Presentation] Effect of muscle length on muscle stiffness changes in the rectus femoris after repeated bouts of knee extensor eccentric exercise2018
- Author(s)
  Ryoichi Ema, Ryosuke Kawashima, Akihiro Kanda, Koya Ikeda, Kazunori Nosaka, Ryota Akagi
- Organizer
  11th International Conference on Strength Training 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01671
[Presentation] 低強度での持続的な関節トルク発揮に伴う筋剛性率変化から協働筋間の活動交代を考える－足関節底屈筋群を対象として－2017
- Author(s)
  赤木亮太，江間諒一
- Organizer
  日本体育学会第68回大会
- Data Source
  KAKENHI-PROJECT-16H05918
[Presentation] Muscle hardness of the triceps brachii before and after one session of resistance exercise2014
- Author(s)
  Akagi R, Tanaka J, Shikiba T, Takahashi H.
- Organizer
  2014 International Forum on Ultrasound Applications
- Place of Presentation
  高雄（台湾）
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] 足関節底屈筋群の定期的な静的ストレッチングが腓腹筋筋硬度に及ぼす効果2013
- Author(s)
  赤木亮太，高橋英幸．
- Organizer
  第26回日本トレーニング科学会大会
- Place of Presentation
  山形（日本）
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] 筋収縮に伴うアキレス腱モーメントアームの変化および変化要因2013
- Author(s)
  橋詰賢，岩沼聡一朗，赤木亮太，金久博昭，川上泰雄，矢内利政．
- Organizer
  日本体育学会第64回大会
- Place of Presentation
  滋賀（日本）
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] ESTIMATION OF LOAD MAXIMIZING MECHANICAL POWER OUTPUT USING THE BALLISTIC BENCH PRESS AND BENCH THROW TEST2013
- Author(s)
  Kobayashi Y, Akagi R, Hirayama K, Nakagaki K, Kawamori N.
- Organizer
  18th annual Congress of the European College of Sport Science
- Place of Presentation
  バルセロナ（スペイン）
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] 等速性最大下肢筋力と立ち幅跳び踏切動作における下肢関節パワーとの関係2013
- Author(s)
  横澤俊治，熊川大介，荒川裕志，勝亦陽一，赤木亮太．
- Organizer
  日本体育学会第64回大会
- Place of Presentation
  滋賀（日本）
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] Effect of explosive-type strength training and short-term detraining on rate of torque development during isometric knee extension2013
- Author(s)
  Kobayashi Y, Hirayama K, Matsubayashi T, Akagi R.
- Organizer
  International Sports Science and Sports Medicine Conference 2013
- Place of Presentation
  ニューカッスル（イギリス）
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] IN VIVO MEASUREMENT-BASED ESTIMATION OF THE TRICEPS SURAE MUSCLE-TENDON UNIT LENGTH CHANGE DURING ANKLE JOINT MOVEMENTS2013
- Author(s)
  Iwanuma S, Hashizume S, Akagi R, Kanehisa H, Yanai T, Kawakami Y.
- Organizer
  18th annual Congress of the European College of Sport Science
- Place of Presentation
  バルセロナ（スペイン）
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] 関節角度の変化に伴う筋硬度および筋形状の変化2012
- Author(s)
  千野謙太郎，赤木亮太，土肥美智子，高橋英幸
- Organizer
  第67回日本体力医学会大会
- Place of Presentation
  岐阜
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] 足関節底屈－背屈筋群間の筋力比および筋サイズ比に性が及ぼす影響2012
- Author(s)
  赤木亮太，藤堂幸広，高橋英幸
- Organizer
  日本バイオメカニクス学会　第22回大会
- Place of Presentation
  北海道
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] 大胸筋の筋サイズとベンチプレス・スローパフォーマンスの関係2012
- Author(s)
  赤木亮太，藤堂幸広，平山邦明，小林雄志
- Organizer
  第25回日本トレーニング科学会大会
- Place of Presentation
  滋賀
- Data Source
  KAKENHI-PROJECT-24700689
[Presentation] Visualization of the Temperature Change by the Icing using the T1 Value of the Magnetic Resonance Imaging (MRI)2011
- Author(s)
  Tohdoh T, Habuchi H, Akagi R, Takahashi K, Maruyana K, Jellus V, Dohi, M
- Organizer
  16th World Congress of the International Society of Cryosurgery
- Place of Presentation
  Vienna (Austria)
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] 異なる足関節角度における腓腹筋内側頭の筋量と筋硬度の関係2011
- Author(s)
  赤木亮太, 千野謙太郎, 土肥美智子, 高橋英幸
- Organizer
  第66回日本体力医学会大会
- Place of Presentation
  海峡メッセ下関(山口県)
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] 超音波エラストグラフィを用いた筋硬度の定量2011
- Author(s)
  千野謙太郎, 赤木亮太, 土肥美智子, 高橋英幸
- Organizer
  第66回日本体力医学会大会
- Place of Presentation
  海峡メッセ下関(山口県)
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] 異なる足関節角度における腓腹筋内側頭の筋量と筋硬度の関係2011
- Author(s)
  赤木亮太,千野謙太郎,土肥美智子,高橋英幸
- Organizer
  第66回日本体力医学会大会
- Place of Presentation
  山口
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] スミスマシンを用いたベンチスローにおける力・パワー計測-カウンターウエイトの影響を考慮した導出法-2011
- Author(s)
  小林雄志, 楢崎兼司, 赤木亮太, 太田憲
- Organizer
  第24回日本トレーニング科学会大会
- Place of Presentation
  早稲田大学(東京都)
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] The visualization of the temperature change by the icing using the T1 value of the magnetic resonance imaging (MRI)2011
- Author(s)
  Yukihiro Tohdoh, Hiroyuki Mabuchi, Ryota Akagi, Kyohei Takahashi, Katsuya Maruyama,Vladimir Jellus,Michiko Dohi
- Organizer
  International Society of Cryosurgery 16th World Congress
- Place of Presentation
  Hofburg, Vienna, Austria
- Data Source
  KAKENHI-PROJECT-23650362
[Presentation] Tripartite relationship between muscle hardness, size and strength of the plantar flexors2011
- Author(s)
  Akagi R, Tohdoh Y, Chino K, Dohi M, Takahashi H
- Organizer
  Asian Conference on Sport Science 2011
- Place of Presentation
  国立スポーツ科学センター(東京都)
- Year and Date
  2011-10-21
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] 肘関節屈曲筋群および伸展筋群の筋体積-関節トルク関係は年齢と性の影響を受けない2010
- Author(s)
  赤木亮太,太田めぐみ,高井洋平,金久博昭,福永哲夫,川上泰雄
- Organizer
  日本体育学会第61回大会
- Place of Presentation
  愛知
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] 安静時および等尺性収縮時の肘関節屈曲筋群のモーメントアーム長2010
- Author(s)
  赤木亮太,岩沼聡一朗,橋詰賢,金久博昭,矢内利政,川上泰雄
- Organizer
  第21回バイオメカニクス学会大会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-22800089
[Presentation] 6週間のレジスタンストレーニングは筋硬度を変化させるのか？
- Author(s)
  赤木亮太，式場智史，田中潤，高橋英幸
- Organizer
  第35回バイオメカニズム学術講演会
- Place of Presentation
  岡山大学
- Year and Date
  2014-11-08 – 2014-11-09
- Data Source
  KAKENHI-PROJECT-24700689

1. Ema Ryoichi (10768196)

# of Collaborated Projects: 3 results

# of Collaborated Products: 12 results
2. Hirata Kosuke (00835746)

# of Collaborated Projects: 3 results

# of Collaborated Products: 6 results
3. Gotoda Naka (40633095)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
4. KOBAYASHI Yuji (50549491)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
5. MABUCHI HIROYUKI (50365508)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
6. TAKAHASHI Hideyuki (00292540)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. OKUWAKI Toru (20274871)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. TAWARA Norioyuki (30344279)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. MITSUI Toshihito (70564186)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. TODOH Yukihiro (30601075)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. KIDOKORO Shuji (20756118)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
12. SATO Hiroki (90416933)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 加納慎一郎 (00282103)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 堀江亮太 (60327690)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 八幡憲明 (70409150)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 山本紳一郎 (30327762)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 安藤良介

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Akagi Ryota 赤木 亮太

AKAGI Ryota 赤木 亮太

Research Projects

Research Products

Co-Researchers

身体パフォーマンス向上と怪我予防を両立するトレーニング基盤の確立

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高齢者の転倒予防プログラムの開発：歩行中の瞬時の姿勢制御能力向上に着目してPrincipal Investigator

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高齢者の柔軟性改善策の確立に向けた基盤創成：軟組織の硬さに着目して

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Development of a neurophysiological "choking under pressure" index and its application to neurofeedback training

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Development of a viewing support system that adds symbol information to daily exercise videos

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Elucidating the Mechanisms of Muscle Fatigue: An Approach Considering Improvement in Muscle Fatigue Resistance Accompanying Strength TrainingPrincipal Investigator

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Clarification of the mechanism of muscle fatigue: a shear wave ultrasound elastography studyPrincipal Investigator

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Establishment of exercise program based on recruitment of biarticular muscles and sports injury avoidance

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Development of a support system of skill learning based on selectable perception

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Acute and chronic effects of muscle hardness changes on muscle force productionPrincipal Investigator

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The visualization of the temperature change by the icing using the magnetic resonance imaging

Principal Investigator

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Establishing a method for assessment of muscle hardnessPrincipal Investigator

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[Journal Article] Acute effect of static stretching on non-muscular tissue stiffness and joint flexibility: a comparative study between older and young men2023

Author(s)

Journal Title

Akagi Ryota 赤木亮太

AKAGI Ryota 赤木亮太