Search Results - "Yanai, Toshimasa"

A method for measuring muscle strength in restraining valgus joint angulation: Elbow varus muscle strength against valgus loading by Onuma, Kengo, Yanai, Toshimasa

“…Skeletal muscle works as a dynamic joint stabilizer, assisting the underlying ligaments in restricting joint angulation by actively resisting external loads…”
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Proximal to distal sequencing impacts on maximum shoulder joint angles and the risk of impingement in baseball pitching involving a scapular independent thoracohumeral model by Yanai, Toshimasa, Crotin, Ryan, Du, Tanghuizi

“…Background Hyperangulation of the scapulohumeral joint due to poor coordination of the scapula during throwing motion is claimed to be a major cause of…”
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Accuracy and reliability of a method for measuring three-dimensional articular motions of the shoulder complex during swimming by Du, Tanghuizi, Yanai, Toshimasa

“…This technical report introduces a method for measuring the three-dimensional articular motions of the shoulder complex during swimming. Eleven collegiate…”
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Pulled fly balls are harder to catch: a game analysis with a machine learning approach by Kato, Mamiko, Yanai, Toshimasa

“…Two hypotheses were tested: (1) the deflecting motion of fly balls caused by aerodynamic effects varies between the pull side and opposite side of the fair…”
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Critical scapula motions for preventing subacromial impingement in fully-tethered front-crawl swimming by Du, Tanghuizi, Yanai, Toshimasa

“…The aims were to quantitatively describe the coordinated motions of the scapula and humerus during fully tethered front-crawl strokes and to test the…”
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A novel method intersecting three-dimensional motion capture and medial elbow strength dynamometry to assess elbow injury risk in baseball pitchers by Yanai, Toshimasa, Onuma, Kengo, Crotin, Ryan L., Monda, Daisuke

“…In baseball pitching, resultant elbow varus torque reaches the peak value of 50–120 N m, exceeding the joint failure limit that risks damage to the ulnar…”
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Difference in racket head trajectory and muscle activity between the standard volley and the drop volley in tennis by Furuya, Ryosuke, Yokoyama, Hikaru, Dimic, Milos, Yanai, Toshimasa, Vogt, Tobias, Kanosue, Kazuyuki

“…Among tennis coaches and players, the standard volley and drop volley are considered basically similar, but muscles need to be relaxed (deactivation) just at…”
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Configuration of the Shoulder Complex During the Arm-Cocking Phase in Baseball Pitching by Konda, Shoji, Yanai, Toshimasa, Sakurai, Shinji

“…Background: The role of the scapula during high-velocity baseball pitching has been described without 3-dimensional kinematic data. It has been speculated that…”
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Activation of human spinal locomotor circuitry using transvertebral magnetic stimulation by Kawai, Kazutake, Tazoe, Toshiki, Yanai, Toshimasa, Kanosue, Kazuyuki, Nishimura, Yukio

“…Transvertebral magnetic stimulation (TVMS) of the human lumbar spinal cord can evoke bilateral rhythmic leg movements, as in walking, supposedly through the…”
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How does buoyancy affect performance during a 200m maximum front crawl swim? by Psycharakis, Stelios G., Yanai, Toshimasa

“…We investigated the rotational effect of buoyant force around the body's transverse axis, termed buoyant torque, during a 200m front crawl maximal swim. Eleven…”
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Contribution of upper trunk rotation to hand forward-backward movement and propulsion in front crawl strokes by Kudo, Shigetada, Mastuda, Yuji, Yanai, Toshimasa, Sakurai, Yoshihisa, Ikuta, Yasushi

“…•An upper trunk rotates about its three orthogonal axes in a rhythmic pattern.•Roll contributes to the hand back-and-forth movements during the front crawl…”
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Association between regional differences in muscle activation in one session of resistance exercise and in muscle hypertrophy after resistance training by Wakahara, Taku, Miyamoto, Naokazu, Sugisaki, Norihide, Murata, Koichiro, Kanehisa, Hiroaki, Kawakami, Yasuo, Fukunaga, Tetsuo, Yanai, Toshimasa

“…The purpose of this study was to examine if the regional difference in muscle hypertrophy after chronic resistance training is associated with muscle…”
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Application of VBGMM for pitch type classification: analysis of TrackMan's pitch tracking data by Umemura, Kazuhiro, Yanai, Toshimasa, Nagata, Yasushi

“…In the game of baseball, each pitcher throws various types of pitches, such as cutter, curve ball, slider, and splitter. Although the type of a given pitch may…”
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Analysis of Injuries and Pitching Performance Between Major League Baseball and Nippon Professional Baseball: A 2-Team Comparison Between 2015 to 2019 by Crotin, Ryan L., Yanai, Toshimasa, Chalmers, Peter, Smale, Kenneth B., Erickson, Brandon J., Kaneoka, Koji, Ishii, Masaya

“…Background: There has been minimal research investigating injury and pitching performance differences between Major League Baseball (MLB) and other…”
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How Could Runners Rotate Their Bodies about the Vertical Axis so that the Whole-body Orientation Could Be Maintained along a Curved Path? by Sato, Takahiko, Yanai, Toshimasa

“…The purpose of the present study was to determine how runners sprinting along a curved path could rotate their whole body about the vertical axis to maintain…”
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Effect of pressure intensity of graduated elastic compression stocking on muscle fatigue following calf-raise exercise by Miyamoto, Naokazu, Hirata, Kosuke, Mitsukawa, Naotoshi, Yanai, Toshimasa, Kawakami, Yasuo

“…Abstract The purpose of the present study was to examine the effects of wearing a graduated elastic compression (EC) stocking, with different pressure profiles…”
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In vivo determination of the Achilles tendon moment arm in three-dimensions by Hashizume, Satoru, Iwanuma, Soichiro, Akagi, Ryota, Kanehisa, Hiroaki, Kawakami, Yasuo, Yanai, Toshimasa

“…Abstract Two-dimensional methods have been applied to determine the Achilles tendon moment arm in previous studies, although the talocrural joint rotates in…”
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Relation Between Lift Force and Ball Spin for Different Baseball Pitches by Nagami, Tomoyuki, Higuchi, Takatoshi, Nakata, Hiroki, Yanai, Toshimasa, Kanosue, Kazuyuki

“…Although the lift force (F(L)) on a spinning baseball has been analyzed in previous studies, no study has analyzed such forces over a wide variety of spins…”
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Scapular rotation to attain the peak shoulder external rotation in tennis serve by KONDA, Shoji, YANAI, Toshimasa, SAKURAI, Shinji

“…The purposes of this study were (a) to describe the detailed movements of the shoulder complex during the cocking phase in tennis serve and (b) to determine…”
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The contraction-induced increase in Achilles tendon moment arm: A three-dimensional study by Hashizume, Satoru, Iwanuma, Soichiro, Akagi, Ryota, Kanehisa, Hiroaki, Kawakami, Yasuo, Yanai, Toshimasa

“…Abstract The present study aimed to re-examine the influence of the isometric plantarflexors contraction on the Achilles tendon moment arm (ATMA) and the…”
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