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Affiliation |
Faculty of Medicine School of Medicine Department of Medicine of Sensory and Motor Organs, Orthopedic Surgery |
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Assistant Professor |
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Related SDGs |
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YOKOE Takuji
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Papers 【 display / non-display 】
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The assessment of ChatGPT‐4's performance compared to expert's consensus on chronic lateral ankle instability Reviewed International coauthorship
Takuji Yokoe, Giulia Roversi, Nuno Sevivas, Naosuke Kamei, Pedro Diniz, Helder Pereira
Journal of Experimental Orthopaedics 2025.8
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
DOI： 10.1002/jeo2.70393
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Nakamura Y, Yokoe T, Ouchi K, Funamoto T, Kimura H, Hamada K, Arakawa H, Chosa E, Kamei N
BMC geriatrics 25 ( 1 ) 500 2025.7
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Springer Science and Business Media LLC
Background
The efficacy of supplementation with branched-chain amino acids (BCAAs) and vitamin D with exercise in elderly people remains unclear. This study aimed to examine whether the combination of exercise and supplementation with BCAA- and vitamin D-containing high-protein food would be effective in improving soft lean mass and physical functions in elderly people with impaired physical functions.
Methods
This 12-week interventional study recruited elderly people ≥ 60 years of age with impaired physical activity (locomotive syndrome, LS). The participants were assigned to one of the following three groups: exercise group (group EX, n = 46), exercise with supplementation of BCAA- and vitamin D-containing high-protein food group (group EF, n = 45), and control group (group C, n = 31). Subjects in group EX were instructed to perform locomotion training, and those in group EF were instructed to consume high-protein test food in addition to locomotion training. The soft lean mass, a self-administered questionnaire (Geriatric Locomotive Function Scale-25, GLFS-25) and physical tests (stand-up test, two-step test), and the value of 25OH vitamin D were compared among the three groups after three months of intervention.
Results
There were no significant declines in soft lean mass in group EF, while significant declines were detected in the other two groups. There were significant differences in the stand-up test scores among the three groups (p = 0.03). A post-hoc analysis showed a significant difference between groups C and EF. There was a significant difference in the two-step test scores among the three groups (p = 0.004). A post-hoc analysis showed significant differences between groups C and EX, and between groups C and EF. There were no significant differences in the GLFS-25 scores among the groups. There was a significant increase in the value of 25OH vitamin D after three months in group EF (p < 0.001).
Conclusions
This study showed that BCAA and vitamin D supplementation with exercise in elderly subjects with declining physical functions resulted in maintenance of soft lean mass, improvement in physical functions (stand-up test score and two-step test), and an increase in 25OH vitamin D. -
Yokoe T., Kamei N.
Foot and Ankle Surgery 31 ( 4 ) 376 2025.6
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Foot and Ankle Surgery
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Biomechanical effects of LCWHTO vs. MOWHTO on medial meniscus posterior root repair: a finite element analysis Reviewed International coauthorship
Yang F., Yokoe T., Ouchi K., Tajima T., Kamei N., Chosa E.
Scientific Reports 15 ( 1 ) 10008 2025.3
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Scientific Reports
Whether isolated high tibial osteotomy (HTO) or HTO combined with medial meniscus posterior root (MMPR) repair is the optimal surgical treatment of MMPR tears remains controversial. This study compared the biomechanical effects of isolated HTO versus MMPR repair combined with medial open wedge HTO (MOWHTO) or lateral closed wedge HTO (LCWHTO) using finite element analysis (FEA). In this study, the MRI and CT data of the knee joint were used to create an FEA model. MOWHTO and LCWHTO simulations adjusted the mechanical axis to the Fujisawa point, with MMPR conditions simulated as intact, tear, or repaired. The ankle center was fixed and a 1000 N force was applied to the knee. In the LCWHTO models, the posterior tibial slope (PTS) decreased, whereas it increased in the MOWHTO models. Changes in the PTS following HTO influenced the stress distribution in the MMPR. HTO combined with MMPR repair showed a reduction in the maximum contact stress by 5.4–11.4% and increased contact area by 29.5–41.0% in the medial knee compartment relative to isolated HTO. This study demonstrated that MMPR repair combined with LCWHTO would be more protective against stress loading in the MMPR than MMPR repair combined with MOWHTO or isolated HTO.
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Yokoe T., Yang F., Tajima T., Yamaguchi N., Morita Y., Chosa E.
Foot and Ankle Surgery 31 ( 1 ) 20 - 24 2025.1
Authorship：Lead author, Last author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：Foot and Ankle Surgery
Background: This study aimed to investigate ankle syndesmosis in healthy subjects under non-weight bearing (NWB) and weight bearing (WB) conditions using two US methods. Methods: The anterior tibiofibular clear space (ATFCS) was measured in healthy subjects in NWB and WB conditions using two US procedures. Method 1 measured 10 mm above the ankle joint and Method 2 measured 30° from the line of 10 mm above the ankle joint. Results: A total of 60 ankles from 30 subjects (male/female, 15/15) were included. There was a significant difference in the ATFCS between the two US methods (p < 0.001), and Method 2 was better at detecting the change in diastasis from NWB to WB conditions. The ATFCS was significantly greater on WB than on NWB, irrespective of the US method. Conclusions: Method 2 was better at detecting diastasis of the syndesmosis from NWB to WB conditions. The influence of WB needs to be considered when evaluating syndesmosis using US. Level of evidence: Cross-sectional cohort study; Level of evidence, Ⅳ
Presentations 【 display / non-display 】
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柔道競技における膝前十字靭帯損傷の特徴
森田雄大、田島卓也、山口奈美、横江琢示、帖佐悦男
第49回九州膝関節研究会 2024.3.16
Event date： 2024.3.16
Presentation type：Oral presentation (general)
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CT画像による腓骨筋腱溝の形態学的評価
横江琢示、田島卓也、山口奈美、森田雄大、帖佐悦男
第10回九州足の外科研究会 2024.3.2
Event date： 2024.3.2
Presentation type：Oral presentation (general)
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Predicting The Clinical Decision Limits of Locomotive Syndrome from The Screening Questionnaire Using Machine Learning International conference
Yoichiro Yamaguchi、Hiroyuki Imazato、Takuji Yokoe、Yudai Morita、Takuya Tajima、Etsuo Chosa
ORS2024 ANNUAL MEETING
Event date： 2024.2.2 - 2024.2.6
Presentation type：Poster presentation
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A possible Cause of Articular Cartilage Degeneration in the Acute Phase after Anterior Cruciate Ligament Reconstruction International conference
Yudai Morita、Takuya Tajima、Nami Yamaguchi、Takuji Yokoe、Etsuo Chosa
ORS2024 ANNUAL MEETING
Event date： 2024.2.2 - 2024.2.6
Presentation type：Poster presentation
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徒手前方引き出しテストとストレス超音波検査による足関節回旋不安定性の関係
横江琢示、田島卓也、山口奈美、大田智美、長澤誠、森田雄大、帖佐悦男
第35回九州・山口スポーツ医・科学研究会 2023.12.9
Event date： 2023.12.9
Presentation type：Oral presentation (general)