Search Results - "Kazuya Seo"

Prevalence and Clinical Characteristics of Osteochondritis Dissecans of the Humeral Capitellum Among Adolescent Baseball Players by Kida, Yoshikazu, Morihara, Toru, Kotoura, Yoshihiro, Hojo, Tatsuya, Tachiiri, Hisakazu, Sukenari, Tsuyoshi, Iwata, Yoshio, Furukawa, Ryuhei, Oda, Ryo, Arai, Yuji, Fujiwara, Hiroyoshi, Kubo, Toshikazu, Matsui, Tomoyuki, Azuma, Yoshikazu, Seo, Kazuya, Hiramoto, Machiko

“…Background: The prevalence and clinical characteristics of osteochondritis dissecans (OCD) of the humeral capitellum among adolescent baseball players are…”
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Measurement of aerodynamic force and moment acting on a javelin using a magnetic suspension and balance system by Seo, Kazuya, Okuizumi, Hiroyuki, Konishi, Yasufumi, Kobayashi, Takuto, Hasegawa, Hiroaki, Obayashi, Shigeru

“…The rules governing the dimensions of the Javelin were substantially changed in 1986. It was considered that this new design guaranteed there was zero pitching…”
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Range of motion patterning in trunk and upper and lower extremities of high school baseball pitchers by Hiramoto, Machiko, Matsui, Tomoyuki, Hashimoto, Ruo, Azuma, Yoshikazu, Seo, Kazuya, Miyazaki, Tetsuya, Watanabe, Yuya, Kida, Noriyuki, Morihara, Toru

“…Evaluating range of motion (ROM) using several joints is essential for rehabilitating throwing injuries. We used multivariate analysis to elucidate the ROM…”
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Effect of surface design on drag properties of soccer balls by TADA, Kaito, HIRATSUKA, Masaki, ITO, Shinichiro, SEO, Kazuya

“…The paper describes the critical Reynolds number of soccer balls as a function of the total groove volume on the ball surface. In this study, the aerodynamic…”
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Relationship Between Physical Fitness at the End of Preseason and the Inseason Game Performance in Japanese Female Professional Baseball Players by Watanabe, Yuya, Yamada, Yosuke, Yoshida, Tsukasa, Matsui, Tomoyuki, Seo, Kazuya, Azuma, Yoshikazu, Hiramoto, Machiko, Miura, Yuichiro, Fukushima, Hideaki, Shimazu, Akito, Eto, Toshiaki, Saotome, Homare, Kida, Noriyuki, Morihara, Toru

“…ABSTRACTWatanabe, Y, Yamada, Y, Yoshida, T, Matsui, T, Seo, K, Azuma, Y, Hiramoto, M, Miura, Y, Fukushima, H, Shimazu, A, Eto, T, Saotome, H, Kida, N, and…”
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Motion analysis of operating a balance exercise assist robot system during forward and backward movements by Imoto, Daisuke, Itoh, Norihide, Kubo, Shuichi, Yamaguchi, Masaki, Shimizu, Naoto, Seo, Kazuya, Sawada, Koshiro, Ohashi, Suzuyo, Mikami, Yasuo, Kubo, Toshikazu

“…[Purpose] Stand-and-ride personal mobility devices controlled by movements of the user’s center of gravity are used for balance training. We aimed to describe…”
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Optimization of flight distance and robustness in the discus by Seo, Kazuya, Shimoyama, Koji, Ohta, Ken, Ohgi, Yuji, Kimura, Yuji

“…This paper describes the optimal flight of a discus. Two objective functions are considered. One is the flight distance, and the other is robustness…”
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Simulation of the trajectory of a punted rugby ball taking into account the asymmetrical pressure distribution caused by the seams by Seo, Kazuya, Kobayashi, Osamu, Murakami, Masahide, Yorita, Daisuke, Nagai, Hiroki, Asai, Keisuke

“…This paper describes the effect of the seams of a rugby ball on the side force and the flight trajectory of the punted kick. Measurement of the aerodynamic…”
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Material design optimization for a sport shoe sole by evolutionary computation and FEM analysis by Shimoyama, K, Kazuya Seo, Nishiwaki, T, Shinkyu Jeong, Obayashi, S

“…This paper describes the material design optimization for a sport shoe sole by the evolutionary computation coupled with the eigenmode analysis based on finite…”
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The Influence of the Phase Difference between the Crank Angle of the Pilot and that of the Stoker on the Drag Acting on a Tandem Bike by Kazuya Seo, Satoshi Eda

“…Two wind tunnel experiments were carried out to investigate the drag acting on a tandem bike. One experiment involved measurement of the drag acting on two…”
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Hip, Trunk, and Shoulder Rotational Range of Motion in Healthy Japanese Youth and High-school Baseball Pitchers by Hiramoto, Machiko, Morihara, Toru, Kida, Yoshikazu, Matsui, Tomoyuki, Azuma, Yoshikazu, Seo, Kazuya, Miyazaki, Tetsuya, Watanabe, Yuya, Kai, Yoshihiro, Yamada, Yosuke, Kida, Noriyuki, Morifusa, Shuhei

“…Objective: The rotational range of motion (ROM) in the upper extremities, trunk, and lower extremities is important for throwing motion. However, unlike for…”
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Effect of surface design on drag properties of soccer balls by TADA, Kaito, HIRATSUKA, Masaki, ITO, Shinichiro, SEO, Kazuya

“…The paper describes the critical Reynolds number of soccer balls as a function of the total groove volume on the ball surface. In this study, the aerodynamic…”
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Visualization of air flow around soccer ball using a particle image velocimetry by Hong, Sungchan, Asai, Takeshi, Seo, Kazuya

“…A traditional soccer ball is constructed using 32 pentagonal and hexagonal panels. In recent years, however, the likes of the Teamgeist and Jabulani balls,…”
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Motion Analysis Focusing on Rotational Movements of Professional Female Baseball Pitchers: Comparison with Male University Baseball Pitchers by Azuma, Yoshikazu, Matsui, Tomoyuki, Hiramoto, Machiko, Hashimoto, Ruo, Matsuzawa, Kanta, Miyazaki, Tetsuya, Seo, Kazuya, Watanabe, Yuya, Kida, Noriyuki, Kai, Yoshihiro, Morihara, Toru

“…The purpose of this study was to compare pitching motion of the professional female baseball pitchers with the male university baseball pitchers focused on the…”
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Flow Behavior Caused by Air Permeability of Ski Jumping Suit Fabric by Yuki Kataoka, Hiroaki Hasegawa, Masahide Murakami, Kazuya Seo, Shigeru Obayashi

“…The purpose of this study was to investigate the effect of the air permeability of ski jumping suit fabric on aerodynamic characteristics. In the study, four…”
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Aerodynamic drag of modern soccer balls by Asai, Takeshi, Seo, Kazuya

“…Soccer balls such as the Adidas Roteiro that have been used in soccer tournaments thus far had 32 pentagonal and hexagonal panels. Recently, the Adidas…”
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Trial of the contraction method for transversus abdominal muscle with taping: focusing on the muscle thickness of external oblique, internal oblique and transversus abdominal muscles by Miyazaki, Tetsuya, Matsui, Tomoyuki, Seo, Kazuya, Hiramoto, Machiko, Azuma, Yoshikazu, Kida, Noriyuki, Morihara, Toru, Kubo, Toshikazu

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Measurement of the Aerodynamic Forces Acting on a Non-Spinning Javelin Using an MSBS by Takuto Kobayashi, Kazuya Seo, Shoya Kaneda, Kasumi Sasaki, Kento Shinji, Shogo Oyama, Hiroyuki Okuizumi, Yasufumi Konishi, Hiroaki Hasegawa, Shigeru Obayashi

“…Using the world’s largest magnetic suspension and balance system (MSBS) and a low-turbulence wind tunnel, we successfully measured the aerodynamic forces…”
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High-speed video image analysis of ski jumping flight posture by Murakami, Masahide, Iwase, Masato, Seo, Kazuya, Ohgi, Yuji, Koyanagi, Reno

“…Ski jumping flight posture was analyzed for achieving large flight distance on the basis of high-speed video images of the initial 40 m part of 120-m ski…”
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Wind tunnel measurement and flow visualisation of soccer ball knuckle effect by Murakami, Masahide, Seo, Kazuya, Kondoh, Masakazu, Iwai, Yutaka

“…Wind tunnel experiments were conducted, in particular focusing on slow unsteady variations of aerodynamic forces as a potential cause of the knuckle effect of…”
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