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Your search keyword '"Tamai, Shinsuke"' showing total 22 results
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22 results on '"Tamai, Shinsuke"'

5. Exercise intensity at RPE13 in female Kendo practitioners: A pilot study exploring the detection of mental fortitude.

Author

Kitahara, Akari, Tamai, Shinsuke, Sagayama, Hiroyuki, Nomura, Shoko, Kagawa, Rina, Suzuki, Hideo, Tsurushima, Hideo, and Watanabe, Koichi

Subjects
KENDO, EXERCISE intensity, RATE of perceived exertion, ANAEROBIC threshold, HEART beat
Abstract

Abstract:Introduction: Kendo, a Japanese martial art, requires rigorous physical and mental training. Kendo practitioners who engage in daily mental training may experience a disparity between their subjective perception of exertion and the actual physiological load on their bodies. Methods: Fifteen healthy adult female kendo practitioners were recruited as participants. Participants were asked to report levels of exertion using the Ratings of Perceived Exertion (RPE) during a progressive, load-incremented stress test. The participants' heart rate at the time of reporting RPE13, which is considered a "somewhat hard" level of exertion, as well as heart rate at the anaerobic threshold (AT) to measure actual load, were compared to the maximum heart rate measurement obtained during the test. Results: The participants' heart rates at RPE13 were found to be higher than those at AT, based on their values as percentages of maximum heart rates. Conclusion: This study discovered that kendo practitioners engaged in regular mental training exhibited a higher heart rate at "somewhat hard" exertion (RPE13) compared to the anaerobic threshold (AT), indicating a relative increase in RPE. Additional research is necessary to determine if this effect is attributable to mental training. [ABSTRACT FROM AUTHOR]

Published
2024
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18. Proof of Gene Doping in a Mouse Model with a Human Erythropoietin Gene Transferred Using an Adenoviral Vector

Author

Sugasawa, Takehito, primary, Nakano, Takuro, additional, Fujita, Shin-ichiro, additional, Matsumoto, Yuki, additional, Ishihara, Genki, additional, Aoki, Kai, additional, Yanazawa, Koki, additional, Ono, Seiko, additional, Tamai, Shinsuke, additional, Manevich, Lev, additional, Ueda, Haruna, additional, Ishibashi, Noriyo, additional, Tamai, Kenshirou, additional, Kanki, Yasuharu, additional, Yoshida, Yasuko, additional, Watanabe, Koichi, additional, Takemasa, Tohru, additional, Kawakami, Yasushi, additional, and Takekoshi, Kazuhiro, additional

Published
2021
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20. Detection of Multiple Transgene Fragments in a Mouse Model of Gene Doping Based on Plasmid Vector Using TaqMan-qPCR Assay

Author

Sugasawa, Takeito, primary, Aoki, Kai, additional, Yanazawa, Koki, additional, Hagino, Ryo, additional, Tamai, Shinsuke, additional, Watanabe, Koichi, additional, Takemasa, Tohru, additional, Takeuchi, Yoshinori, additional, Aita, Yuichi, additional, Yahagi, Naoya, additional, Yoshida, Yasuko, additional, Kuji, Tomoaki, additional, Shishikura, Yasuhiro, additional, Ono, Seiko, additional, Nakano, Takuro, additional, Kai, Ban, additional, Takeuchi, Kaoru, additional, Kawamai, Yasushi, additional, and Takekoshi, Kazuhiro, additional

Published
2020
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22. Hydration status and running performance during cool and hot training sessions in rugby union forwards and backs.

Author

Hoshi D, Tamai S, Kuroki T, Kim H, Okada S, Shimasaki T, and Watanabe K

Subjects
Humans, Rugby, Drinking, Sweating, Weight Loss, Running, Heat Stroke, Athletic Performance
Abstract

Background: Rugby showed a high incidence of exertional heatstroke. Different physiques and running performances between the forward and back players (FW and BK) may result in different heatstroke risks. This study aimed to compare the hydration status, running performance, and perceived heatstroke symptoms (PHS) between cool and hot environment training (HT and CT) in university rugby union FW and BK., Methods: Thirteen university rugby players (seven forwards and six backs) participated in this study. During both conditions, players were allowed to drink water and sports drink, and the amount of fluid intake was recorded. Body mass was measured pre- and post-training, and weight loss was calculated. Sweat loss was calculated based on body mass and fluid intake. During training, running performance was measured using GPS. The presence of PHS was assessed using a questionnaire administered after training., Results: Fluid intake and sweat loss were higher in the HT as opposed to the CT, and FW showed higher fluid intake and dehydration than BK. However, there were no significant differences in weight loss observed during data collection. Running distance per minute and maximum speed were higher in BK than in FW, but there was no significant difference between conditions. Although a significant weight loss was not observed between conditions, the number of PHS was higher in the HT., Conclusions: Although BK had a higher running distance and maximum speed than FW during training, a higher cycle of fluid intake and sweat loss was observed in the FW than that in the BK.

Published
2023
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