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Shota Yamaguchi

Biographic Data

ID6948046
NAMEShota Yamaguchi
GIVEN NAMESShota
FAMILY NAMEYamaguchi
SIGNATUREYAMAGUCHI S
AFFILIATIONSKeio University
ORCID0000-0002-6655-9881
VERIFIEDYes
TOTAL WORKS4
TOTAL CITATIONS0
WORKS AS AUTHOR4
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2026
LATEST PUBLICATION YEAR2026
H-INDEX0
  • Ankle-angle-dependent shear wave velocity of the Achilles tendon and triceps surae during passive dorsiflexion in runners with Achilles tendinopathy

    Open Access•Yasuhiro Kunita, Naoki Ikeda et al.•ARTICLE•Frontiers in Sports and Active…•2026

    Purpose This study aimed to determine whether runners with mid-portion Achilles tendinopathy (Achilles tendinopathy runners [ATR]) show altered ankle-angle-dependent mechanical behavior of the Achilles tendon and triceps surae muscle–tendon unit during passive dorsiflexion. Methods Twelve ATR and 11 control runners (CON) participated in this study (ATR: age 43.9 ± 12.0 years, running distance 38.3 ± 22.3 km/week; CON: age 41.2 ± 13.7 years, runni…

  • Determining the Minimal Number of Passive Hip and Knee Joint Movement Repetitions Recommended for the Stiff Rectus Femoris Muscle Due to Osgood–Schlatter Disease

    Open Access•Naoki Ikeda, Ayumi Yoshikawa et al.•ARTICLE•Children•2026

    Background/Objectives: Osgood–Schlatter disease (OSD) is a common overuse condition in adolescents characterized by increased stiffness of the rectus femoris muscle, which contributes to pain and functional limitations around the knee. We investigated whether repeating 10 min passive joint movements of the hip and knee produces additional immediate reductions in elevated rectus femoris (RF) stiffness in adolescents with OSD. Methods: Fifteen pati…

  • Angle-specific stiffness profiles of the achilles tendon and Triceps surae muscles

    Open Access•Yasuhiro Kunita, Naoki Ikeda et al.•ARTICLE•Frontiers in Sports and Active…•2026

    The stiffness of the triceps surae (TS) muscles during passive stretch has been increasingly studied using shear wave elastography (SWE). However, the continuous behavior of the Achilles tendon (AT) and its interaction with the TS muscles remain poorly understood, limiting understanding of tissue mechanics. This study aimed to characterize the angle-specific stiffness profiles of the individual TS muscles-the medial gastrocnemius (MG), lateral ga…

  • Interaction of target distance and movement type on lower limb kinematics in fencing

    Open Access•Kenta Chida, Takayuki Inami et al.•ARTICLE•Frontiers in Sports and Active…•2026

    These findings suggest that the effectiveness of attack movements in fencing depends on the interaction between target distance and movement type. Fencers should select LWOA or LWA according to tactical distance while emphasizing rear-leg flexion and extension movements during training

No prominent works on this page.

  • Ankle-angle-dependent shear wave velocity of the Achilles tendon and triceps surae during passive dorsiflexion in runners with Achilles tendinopathy

    Open Access•Yasuhiro Kunita, Naoki Ikeda et al.•ARTICLE•Frontiers in Sports and Active…•2026

    Purpose This study aimed to determine whether runners with mid-portion Achilles tendinopathy (Achilles tendinopathy runners [ATR]) show altered ankle-angle-dependent mechanical behavior of the Achilles tendon and triceps surae muscle–tendon unit during passive dorsiflexion. Methods Twelve ATR and 11 control runners (CON) participated in this study (ATR: age 43.9 ± 12.0 years, running distance 38.3 ± 22.3 km/week; CON: age 41.2 ± 13.7 years, runni…

  • Determining the Minimal Number of Passive Hip and Knee Joint Movement Repetitions Recommended for the Stiff Rectus Femoris Muscle Due to Osgood–Schlatter Disease

    Open Access•Naoki Ikeda, Ayumi Yoshikawa et al.•ARTICLE•Children•2026

    Background/Objectives: Osgood–Schlatter disease (OSD) is a common overuse condition in adolescents characterized by increased stiffness of the rectus femoris muscle, which contributes to pain and functional limitations around the knee. We investigated whether repeating 10 min passive joint movements of the hip and knee produces additional immediate reductions in elevated rectus femoris (RF) stiffness in adolescents with OSD. Methods: Fifteen pati…

  • Angle-specific stiffness profiles of the achilles tendon and Triceps surae muscles

    Open Access•Yasuhiro Kunita, Naoki Ikeda et al.•ARTICLE•Frontiers in Sports and Active…•2026

    The stiffness of the triceps surae (TS) muscles during passive stretch has been increasingly studied using shear wave elastography (SWE). However, the continuous behavior of the Achilles tendon (AT) and its interaction with the TS muscles remain poorly understood, limiting understanding of tissue mechanics. This study aimed to characterize the angle-specific stiffness profiles of the individual TS muscles-the medial gastrocnemius (MG), lateral ga…

  • Interaction of target distance and movement type on lower limb kinematics in fencing

    Open Access•Kenta Chida, Takayuki Inami et al.•ARTICLE•Frontiers in Sports and Active…•2026

    These findings suggest that the effectiveness of attack movements in fencing depends on the interaction between target distance and movement type. Fencers should select LWOA or LWA according to tactical distance while emphasizing rear-leg flexion and extension movements during training

Ankle (3 works) · Sports injuries and prevention (3 works) · Achilles tendon (2 works) · Biomechanics (2 works) · Joint (building (2 works) · Plantar flexion (2 works) · Stiffness (2 works) · Tendon (2 works) · Tendon Structure and Treatment (2 works) · Achilles tendon rupture (1 work)

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