From School to Work in Japan     

Larry Rhodes  Morimitsu Nakamura 《Compare》1996,26(3):261-268

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Differences in soccer kicking type identified using principal component analysis     

Taishu Nakamura  Tasuku Miyoshi  Shota Sato  Motoki Takagi  Yasuhisa Kamada  Yoshiyuki Kobayashi 《Sports Engineering》2018,21(3):149-159

Soccer kicks are characterized by segmental and joint rotations in multiple planes, where large discrepancies between two- and three-dimensional analyses for angular measurements of soccer kicks exist. The aim of this study was to clarify the differences in motions of the lower limbs and the pelvis required to achieve a shot without rotations as compared with an instep kick. Kinematic parameters obtained from non-rotational shots and instep kicks were analyzed using principal component analysis (PCA). The results clearly demonstrated that the PCA identified the differences in the instep kick and the non-rotational shot relative to the kinematic motions of the lower limbs and the pelvis. These findings suggest that the key issue for executing the NR shot is achieving a straight-line foot trajectory in the impact phase.  相似文献   

Mental Health Help-Seeking Experience and Attitudes in Asian American,Multiracial American,and White American Emerging Adults     

Nakamura  Lisa  Jo  Duckhyun  Masuda  Akihiko 《International journal for the advancement of counseling》2022,44(3):432-452

In this cross-sectional survey, we examined the direct and indirect mental health help-seeking experiences and relevant psychological factors in Asian American, multiracial American, and White American emerging adults aged 18–25 years old. The study sample consisted of 384 Asian American (249 women, 135 men), 244 multiracial American (172 women, 72 men), and 245 White American (190 women, 55 men) emerging adults, who were recruited from a four-year public university in the state of Hawai?i of the United States (U.S.). Results revealed that Asian American and multiracial American emerging adults were less likely to: (a) have previous experience of seeking professional psychological services: (b) have been prescribed, or are currently taking, a psychotropic medication; (c) know someone close to them who had sought psychological services; or (d) know someone close to them who was diagnosed with a psychological disorder, compared to their White American peers. We also discuss implications of the present findings, limitations of the study, and future directions in this line of research.

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Analysis of the distance covered by Brazilian professional futsal players during official matches     

Murilo José De Oliveira Bueno  Fabio Giuliano Caetano  Tiago Julio Costa Pereira  Nicolau Melo De Souza  Gustavo Damasceno Moreira  FáBIO Yuzo Nakamura 《Sports biomechanics / International Society of Biomechanics in Sports》2014,13(3):230-240

The purpose of this study was to measure and characterise the distances covered by Brazilian professional futsal players. The trajectories of 93 players during five matches were obtained using an automatic tracking method. The distances covered were analysed for different game conditions: over the entire game and during the times when the ball was out of play and in play separately. When the entire game was considered, the results showed that there was a reduction in the total distance covered per minute from the first [median ± IQR (interquartile range): 97.9 ± 16.2 m/min] to the second half (median = 90.3 m/min; IQR = 12.0), and when only the in-play time was considered (first half: 136.6 ± 17.2 m/min; second half: 129.2 ± 16.7 m/min). The percentage of distance covered in the standing and walking velocity range was higher in the second half than in the first when considering the entire game (30.8% and 28.0%, respectively) and during the in-play time (19.3% and 16.2%, respectively). In conclusion, this study verified that futsal players reduced the physical performance during the second half.  相似文献   

Scientific evidence by fluorescence spectrometry for safflower red on ancient Japanese textiles stored in the Shosoin Treasure House repository     

Rikiya Nakamura  Yoko Tanaka  Atsuhiko Ogata  Naruse Masakazu 《文物保护研究》2014,59(6):367-376

Shosoin textiles, handed down from the eighth century in Nara, Japan, have entranced many people with their beautiful colors made from natural dyes. Dye analysis of the Shosoin textiles, including the red carpet laid inside the workshop hall at the Todaiji Temple in Nara, used for the inauguration of the statue of the Great Buddha in the temple in 752 AD; a red undergarment and a gown with a tie-dyed design worn by craftsmen in the Todaiji Temple; and embroidered shoes belonging to Empress Komyo (701–760 AD), were conducted by excitation–emission matrix fluorescence spectrometry equipped with a fiber optics probe. Comparison of the spectra to references identified safflower red (Carthamus tinctorius L.) in the red or orange areas on these original textiles. The spectrometry of the gown and the shoes offered the identification not only of safflower red but also of amur cork tree. This study finds these examples to be the oldest scientifically confirmed presence of safflower red on historic textiles at present.  相似文献