Activities of medical centers for athletes and spectators at cycling track events in the Tokyo 2020 Olympic and Paralympic Games by Youichi Yanagawa, Takuya Muto, Masami Shakagori, Atsuhiko Terakado, Tsukasa Kumai

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Combination Therapy of Autologous Protein Solution and Extracorporeal Shock Wave Therapy for Severe Knee Osteoarthritis by Shinya Nakasato, Tsukasa Kumai, Tomoki Mitsuoka, Takeshi Teramura, Masao Akagi

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Pain Relief after Extracorporeal Shock Wave Therapy for Patellar Tendinopathy: An Ultrasound Evaluation of Morphology and Blood Flow by Toshihiro Maemichi, Toshiharu Tsutsui, Takumi Okunuki, Takuma Hoshiba, Tsukasa Kumai

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Diclofenac–hyaluronate conjugate (diclofenac etalhyaluronate) intra-articular injection for hip, ankle, shoulder, and elbow osteoarthritis: a randomized controlled trial by Toshikazu Kubo, Tsukasa Kumai, Hiroyasu Ikegami, Kazuyuki Kano, Megumi Nishii, Takayuki Seo

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Ultrasound Diagnosis of Hamstring Muscle Complex Injuries Focus on Originate Tendon Structure—Male University Rugby Players by Makoto Wada, Tsukasa Kumai, Takumi Okunuki, Takeshi Sugimoto, Kotaro Ishizuka, Yasuhito Tanaka

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Endoscopic Resection of a Talocalcaneal Coalition Using a Posteromedial Approach by Koji Hayashi, M.D., Tsukasa Kumai, M.D., Yasuhito Tanaka, M.D.

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Effects of Achilles Tendon Moment Arm Length on Insertional Achilles Tendinopathy by Takuma Miyamoto, Yasushi Shinohara, Tomohiro Matsui, Hiroaki Kurokawa, Akira Taniguchi, Tsukasa Kumai, Yasuhito Tanaka

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Effect of Increased Flexor Hallucis Longus Muscle Activity on Ground Reaction Force during Landing by Kosuke Oku, Daisuke Kimura, Tomotaka Ito, Akiyoshi Matsugi, Tatsuya Sugioka, Yusuke Kobayashi, Hayato Satake, Tsukasa Kumai

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Hallux valgus in preprofessional adolescent dancesport athletes: Prevalence and associated training factors by Zijian Liu, Takumi Okunuki, Hiroki Yabiku, Shuo Chen, Takuma Hoshiba, Toshihiro Maemichi, Yanshu Li, Tsukasa Kumai

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A false‐pouch closure technique with an intact superior peroneal retinaculum for recurrent dislocation of the peroneal tendon by Tomohiro Matsui, Tsukasa Kumai, Yasushi Shinohara, Noriyuki Kanzaki, Koji Noguchi, Hirofumi Tanaka, Takeshi Sugimoto, Hiroki Yabiku, Ichiro Higashiyama

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Characteristics of ultrasound device: a new technology for bone curettage and excavation by Tatsuo Mae, Ken Nakata, Tsukasa Kumai, Yasuyuki Ishibashi, Tomoyuki Suzuki, Takamitsu Sakamoto, Tomoki Ohori, Takehito Hirose, Hideki Yoshikawa

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Effects of 4 weeks of foot exercise on subjective outcome and foot plantar pressure in elite adolescent dancers with hallux valgus: a pilot study by Zijian Liu, Yicheng Zhong, Shuo Chen, Hirofumi Tanaka, Yanshu Li, Hirofumi Katsutani, Takumi Okunuki, Hiroki Yabiku, Tsukasa Kumai

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The Effect of Foot Deformity and First Metatarsophalangeal Joint Plantar Pain on Performance in DanceSport Athletes by Zijian Liu, Hiroki Yabiku, Takumi Okunuki, Shuo Chen, Takuma Hoshiba, Toshihiro Maemichi, Hideaki Nagamoto, Yanshu Li, Tsukasa Kumai

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Progression and risk factors of hallux valgus angle in elite adolescent dancers: a cohort study by Zijian Liu, Shuo Chen, Takumi Okunuki, Hiroki Yabiku, Takuma Hoshiba, Toshihiro Maemichi, Yanshu Li, Hanye Zhao, Tsukasa Kumai

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Effect of low-frequency acupuncture on muscle and fascia stiffness: examination with or without intervention by Toshihiro Maemichi, Toshihiro Maemichi, Masatomo Matsumoto, Masatomo Matsumoto, Shigeru Meguriya, Atsuya Furusho, Takashi Yamashita, Toshiharu Tsutsui, Tsukasa Kumai

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Relationship between the morphology of osteophytes and cartilage lesions in anterior ankle impingement in athletes: a cross‐sectional study by Hiroki Yabiku, Tomohiro Matsui, Takeshi Sugimoto, Yasuyoshi Mase, Kotaro Higa, Fuminari Uehara, Takashi Toma, Chinatsu Azuma, Yasunori Tome, Kotaro Nishida, Tsukasa Kumai

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Prevalence of impaired foot function in baseball players with and without disabled throwing shoulder/elbow: a case–control study by Hideaki Nagamoto, Shimpei Takahashi, Takumi Okunuki, Kazuki Wakamiya, Toshihiro Maemichi, Daisuke Kurokawa, Takayuki Muraki, Hiroyuki Takahashi, Nobuyuki Yamamoto, Toshimi Aizawa, Tsukasa Kumai

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Relationship between Dynamic Balance and Physical Characteristics and Functions in Elite Lifesaving Athletes by Shota Ichikawa, Tsukasa Kumai, Yui Akiyama, Takumi Okunuki, Toshihiro Maemichi, Masatomo Matsumoto, Zijian Liu, Ryusei Yamaguchi, Hiroyuki Mitsui, Kai Suzuki, Hisateru Niki

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Relationship between ball release point variability and pitching performance in major league baseball by Kazuki Wakamiya, Hideaki Nagamoto, Hideaki Nagamoto, Ryusei Yamaguchi, Takumi Okunuki, Takumi Okunuki, Toshihiro Maemichi, Zijian Liu, Yuki Ogawa, Yusuke Kobayashi, Tsukasa Kumai

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Are floating toes associated with lifestyle in children? A cross‐sectional study by Hideaki Nagamoto, Takumi Okunuki, Shimpei Takahashi, Kazuki Wakamiya, Zijian Liu, Toshihiro Maemichi, Hirofumi Katsutani, Yoshiyasu Yamada, Hiroyuki Takahashi, Hirofumi Tanaka, Toshimi Aizawa, Tsukasa Kumai

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