Yagi Masahide 八木優英

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Masahide Yagi 八木優英

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Researcher Number	90848227
Other IDs
Affiliation (Current)	2026: 関西医科大学, リハビリテーション学部, 講師
Affiliation (based on the past Project Information) *help	2021 – 2024: 京都大学, 医学研究科, 特定助教 2020: 京都大学, 医学研究科, 研究員
Review Section/Research Field	Principal Investigator Basic Section 59010:Rehabilitation science-related
Keywords	Principal Investigator 神経的要因 / 運動単位 / 筋力低下 / 変形性膝関節症 / 変形性股関節症 / 筋収縮 / iliocapsularis / 超音波診断装置 / 不安定性 / 股関節

Research Projects
(2 results)
Research Products
(30 results)

変形性膝関節症患者の筋力低下と神経的要因との関連解明に向けた縦断研究Principal Investigator
- Principal Investigator
  
  八木優英
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 59010:Rehabilitation science-related
- Research Institution
  Kyoto University
Elucidating the association between hip instability during muscle contraction and hip function and disease progressionPrincipal Investigator
- Principal Investigator
  
  Masahide Yagi
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 59010:Rehabilitation science-related
- Research Institution
  Kyoto University

All 2025 2024 2023 2022 2020

All Journal Article Presentation

[Journal Article] Iliotibial band stiffness is associated with patellar height2025
- Author(s)
  Asayama Akihiro、Yagi Masahide、Taniguchi Masashi、Nakai Ryusuke、Ichihashi Noriaki
- Journal Title
  
  Journal of Biomechanics
  
  Volume: 184 Pages: 112673-112673
- DOI
  10.1016/j.jbiomech.2025.112673
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K16572
[Journal Article] Selective Static Stretching of Rectus Femoris Alters Motor Unit Firing Behaviors of Knee Extensors2025
- Author(s)
  Hirono Tetsuya、Yagi Masahide、Wang Zimin、Sakata Haruka、Okada Shogo、Nakazato Kaede、Ichihashi Noriaki、Watanabe Kohei
- Journal Title
  
  Scandinavian Journal of Medicine & Science in Sports
  
  Volume: 35 Issue: 3
- DOI
  10.1111/sms.70031
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K16572, KAKENHI-PROJECT-24K20528
[Journal Article] Investigation of the relationship between soft tissue stiffness and maximum knee extension angle in patients with knee osteoarthritis2025
- Author(s)
  Okada Sayaka、Yagi Masahide、Taniguchi Masashi、Motomura Yoshiki、Okada Shogo、Fukumoto Yoshihiro、Kobayashi Masashi、Kanemitsu Kyoseki、Ichihashi Noriaki
- Journal Title
  
  Journal of Biomechanics
  
  Volume: 182 Pages: 112582-112582
- DOI
  10.1016/j.jbiomech.2025.112582
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K16572
[Journal Article] Medial meniscus extrusion is associated with acute cartilage deformation after mechanical loading during treadmill walking in older adults2025
- Author(s)
  Okada Shogo、Taniguchi Masashi、Yagi Masahide、Motomura Yoshiki、Okada Sayaka、Nakazato Kaede、Fukumoto Yoshihiro、Iwane Kenta、Kobayashi Masashi、Kanemitsu Kyoseki、Ichihashi Noriaki
- Journal Title
  
  The Knee
  
  Volume: 54 Pages: 192-198
- DOI
  10.1016/j.knee.2025.02.021
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K16572, KAKENHI-PROJECT-23KJ1342
[Journal Article] Effect of soft tissue tension around the knee joint on medio-lateral patellar position2024
- Author(s)
  Asayama Akihiro、Yagi Masahide、Taniguchi Masashi、Hirono Tetsuya、Kato Takehiro、Hayashi Remi、Ichihashi Noriaki
- Journal Title
  
  Journal of Biomechanics
  
  Volume: 168 Pages: 112137-112137
- DOI
  10.1016/j.jbiomech.2024.112137
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K16572
[Journal Article] Effects of abdominal hollowing and bracing on each intervertebral angle during quadruped upper and lower extremity lift: Three-dimensional motion analysis of the spine2024
- Author(s)
  Motomura Yoshiki、Tateuchi Hiroshige、Ota Megumi、Miyakoshi Kosuke、Asayama Akihiro、Nojiri Shusuke、Nakao Sayaka、Yagi Masahide、Ichihashi Noriaki
- Journal Title
  
  Journal of Biomechanics
  
  Volume: 170 Pages: 112128-112128
- DOI
  10.1016/j.jbiomech.2024.112128
- Data Source
  KAKENHI-PROJECT-20K19307
[Journal Article] Effective Stretching Positions of the Piriformis Muscle Evaluated Using Shear Wave Elastography2024
- Author(s)
  Itsuda Hikari、Yagi Masahide、Yanase Ko、Umehara Jun、Mukai Hiyu、Ichihashi Noriaki
- Journal Title
  
  Journal of Sport Rehabilitation
  
  Volume: 9 Issue: 4 Pages: 1-7
- DOI
  10.1123/jsr.2023-0240
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K19307, KAKENHI-PROJECT-23KJ1370
[Journal Article] Magnetic resonance imaging verification of anterior capsular impingement in the hip joint: A three-dimensional analysis2024
- Author(s)
  Hyakutake Subaru、Tateuchi Hiroshige、Yagi Masahide、Itsuda Hikari、Wang Zimin、Nakai Ryusuke、Ichihashi Noriaki
- Journal Title
  
  Clinical Biomechanics
  
  Volume: 120 Pages: 106367-106367
- DOI
  10.1016/j.clinbiomech.2024.106367
- Data Source
  KAKENHI-PROJECT-20K19307
[Journal Article] Age‐related changes in muscle thickness, echo intensity and shear modulus of the iliocapsularis2023
- Author(s)
  Sakata Haruka、Tateuchi Hiroshige、Yagi Masahide、Kobayashi Kotono、Ichihashi Noriaki
- Journal Title
  
  Clinical Physiology and Functional Imaging
  
  Volume: 44 Issue: 2 Pages: 136-143
- DOI
  10.1111/cpf.12858
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K19307
[Journal Article] Age- and sex-related differences of muscle cross-sectional area in iliocapsularis: a cross-sectional study2022
- Author(s)
  Yagi Masahide、Taniguchi Masashi、Tateuchi Hiroshige、Hirono Tetsuya、Fukumoto Yoshihiro、Yamagata Momoko、Nakai Ryusuke、Yamada Yosuke、Kimura Misaka、Ichihashi Noriaki
- Journal Title
  
  BMC Geriatrics
  
  Volume: 22 Issue: 1 Pages: 435-435
- DOI
  10.1186/s12877-022-03127-y
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K19307, KAKENHI-PROJECT-20K19376
[Presentation] 脊柱アライメントと脊柱・骨盤に付着する上下肢・体幹筋の筋特性との関連2024
- Author(s)
  八木優英, 建内宏重, 太田恵, 坂田春佳, 嚴田光里, 小松知世, 浮貝春菜, 岡田紗也花, 市橋則明
- Organizer
  第12回日本運動器理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] 早期変形性膝関節症患者における立位内側半月板突出は膝関節機能と関連する2024
- Author(s)
  八木優英，谷口匡史，岩根健太，岡田笙吾，岡田紗也花，本村芳樹，小林政史，金光京石，市橋則明
- Organizer
  第35回日本整形外科超音波学会
- Data Source
  KAKENHI-PROJECT-23K16572
[Presentation] Motor unit firing properties of knee extensors immediately after static stretching of rectus femoris in healthy males.2024
- Author(s)
  Hirono T, Yagi M, Wang Z, Sakata H, Okada Sh, Nakazato K, Ichihashi N, Watanabe K
- Organizer
  ISEK XXV
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K16572
[Presentation] Iliocapsularisの筋断面積および筋内脂肪率における3年間の縦断変化&　腸腰筋、大腿直筋、広筋群の縦断変化との比較&2024
- Author(s)
  嚴田光里, 八木優英, 谷口匡史, 建内宏重, 市橋則明
- Organizer
  第51回日本股関節学会学術集会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] 大腿筋膜張筋および大殿筋の腸脛靭帯を介した膝関節伸展作用の検討2024
- Author(s)
  八木優英，谷口匡史，嚴田光里，岡田笙吾，廣野哲也，市橋則明
- Organizer
  第29回日本基礎理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-23K16572
[Presentation] The Association Between Motor Unit Firing Rate and Deformity and Pain Severity in Patients with Knee Osteoarthritis.2024
- Author(s)
  Yagi M, Nishikawa Y, Hirono T, Taniguchi M, Motomura Y, Okada S, Okada S, Kobayashi M, Kanemitsu K, Ichihashi N
- Organizer
  ISEK XXV
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K16572
[Presentation] 寛骨臼と大腿骨間において股関節前方関節包靭帯の挟み込み現象は生じるか？-健常者と股関節有痛者の検討-2023
- Author(s)
  百武昴, 建内宏重, 八木優英, 嚴田光里, 王紫敏, 中井隆介, 市橋則明
- Organizer
  第11回運動器理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] 関節包靭帯の張力は股関節深層筋の筋収縮によって変化するか？2023
- Author(s)
  嚴田光里, 八木優英, 建内宏重, 坂田春佳, 王紫敏, 百武昴,市橋則明
- Organizer
  第11回運動器理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] リハビリテーションシンポジウム：股関節機能障害に運動療法で挑む「新たな運動療法の開発に向けたIliocapsularisの機能の解明」2023
- Author(s)
  建内宏重, 八木優英, 嚴田光里, 百武昴, 坂田春佳, 市橋則明
- Organizer
  第50回日本股関節学会学術集会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] Examination of the action of the iliocapsularis: focusing on changes in shear elastic modulus due to muscle elongation2023
- Author(s)
  Itsuda H, Yagi M, Tateuchi H, Tokoro M, Ichihashi N
- Organizer
  28th Annual Congress of the European College of Sport Science
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] 腸脛靭帯の硬さと膝蓋骨アライメントに対するストレッチング効果の持続時間の検討2023
- Author(s)
  山本卓馬, 八木優英, 岡田紗也花, 浅山章大, 野田大雅, 市橋則明
- Organizer
  第11回運動器理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-23K16572
[Presentation] 変形性膝関節症患者における運動単位の発火頻度と膝痛・関節変形との関連2023
- Author(s)
  八木優英, 西川裕一, 廣野哲也, 谷口匡史, 本村芳樹, 岡田笙吾, 岡田紗也花, 小林政史, 金光京石, 市橋則明
- Organizer
  第28回基礎理学療法学会学術大会.
- Data Source
  KAKENHI-PROJECT-23K16572
[Presentation] The effect of static stretching on iliotibial band stiffness and patellar alignment in healthy individuals（2023
- Author(s)
  Yagi M, Taniguchi M, Asayama A, Kobayashi K, Itsuda H, Ichihashi N
- Organizer
  28th Annual Congress of the European College of Sport Science
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] 腸脛靭帯の硬さを評価可能な検査法の検討-Ober testでは腸脛靭帯の硬さを評価できない-2023
- Author(s)
  浅山章大, 八木優英, 建内宏重, 王紫敏, 嚴田光里, 百武昴, 宮川直之, 市橋則明
- Organizer
  第11回運動器理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-23K16572
[Presentation] 寛骨臼と大腿骨の間で股関節前方関節包靭帯の挟み込み現象は生じるのか？ーMRI画像の三次元解析を用いてー2022
- Author(s)
  百武昴, 建内宏重, 八木優英, 嚴田光里, 中井隆介, 市橋則明
- Organizer
  第 10 回日本運動器理学療法学術大会.
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] Iliocapsularisの作用の検討－筋伸長による弾性率の変化に着目して－2022
- Author(s)
  嚴田光里, 八木優英, 建内宏重, 所桃花, 市橋則明
- Organizer
  第 27 回日本基礎理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] Iliocapsularisの加齢変化の特徴2022
- Author(s)
  坂田春佳, 建内宏重, 八木優英, 小林琴乃, 市橋則明：
- Organizer
  第 27 回日本基礎理学療法学術大会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] 腸脛靭帯の効果的なストレッチング方法の検討2022
- Author(s)
  八木優英, 谷口匡史, 小林琴乃, 嚴田光里, 浅山章大, 市橋則明
- Organizer
  第 10 回日本運動器理学療法学会学術大会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] 筋機能に基づくサブタイプ分類と変形性股関節症進行との関連性2022
- Author(s)
  建内宏重, 八木優英, 秋山治彦, 後藤公志, 宗和隆, 黒田隆, 市橋則明
- Organizer
  第 49 回日本股関節学会学術集会
- Data Source
  KAKENHI-PROJECT-20K19307
[Presentation] Iliocapsularisの断面積における性差と加齢変化2020
- Author(s)
  八木優英, 建内宏重, 市橋則明
- Organizer
  第47回日本股関節学会
- Data Source
  KAKENHI-PROJECT-20K19307

Yagi Masahide 八木 優英

Masahide Yagi 八木 優英

Research Projects

Research Products

変形性膝関節症患者の筋力低下と神経的要因との関連解明に向けた縦断研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidating the association between hip instability during muscle contraction and hip function and disease progressionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Iliotibial band stiffness is associated with patellar height2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Selective Static Stretching of Rectus Femoris Alters Motor Unit Firing Behaviors of Knee Extensors2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Investigation of the relationship between soft tissue stiffness and maximum knee extension angle in patients with knee osteoarthritis2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Medial meniscus extrusion is associated with acute cartilage deformation after mechanical loading during treadmill walking in older adults2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effect of soft tissue tension around the knee joint on medio-lateral patellar position2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effects of abdominal hollowing and bracing on each intervertebral angle during quadruped upper and lower extremity lift: Three-dimensional motion analysis of the spine2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effective Stretching Positions of the Piriformis Muscle Evaluated Using Shear Wave Elastography2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Magnetic resonance imaging verification of anterior capsular impingement in the hip joint: A three-dimensional analysis2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Age‐related changes in muscle thickness, echo intensity and shear modulus of the iliocapsularis2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Age- and sex-related differences of muscle cross-sectional area in iliocapsularis: a cross-sectional study2022

Author(s)

Journal Title

DOI

Data Source

[Presentation] 脊柱アライメントと脊柱・骨盤に付着する上下肢・体幹筋の筋特性との関連2024

Author(s)

Organizer

Data Source

[Presentation] 早期変形性膝関節症患者における立位内側半月板突出は膝関節機能と関連する2024

Author(s)

Organizer

Data Source

[Presentation] Motor unit firing properties of knee extensors immediately after static stretching of rectus femoris in healthy males.2024

Author(s)

Organizer

Data Source

[Presentation] Iliocapsularisの筋断面積および筋内脂肪率における3年間の縦断変化& 腸腰筋、大腿直筋、広筋群の縦断変化との比較&2024

Author(s)

Yagi Masahide 八木優英

Masahide Yagi 八木優英

[Presentation] Iliocapsularisの筋断面積および筋内脂肪率における3年間の縦断変化&　腸腰筋、大腿直筋、広筋群の縦断変化との比較&2024