Introduction: <span style="font-family:""><span style="font-family:Verdana;">Some somatic and psychological disorders have been associated with handgrip strength, which is an easy,...Introduction: <span style="font-family:""><span style="font-family:Verdana;">Some somatic and psychological disorders have been associated with handgrip strength, which is an easy, inexpensive and noninvasive method for assessment of muscle strength. We conducted a cross-sectional </span><span style="font-family:Verdana;">study to clarify the relationship of handgrip strength and menstruation-related </span><span style="font-family:Verdana;">symptoms. </span><b><span style="font-family:Verdana;">Material and Methods:</span></b><span style="font-family:Verdana;"> Handgrip strength was measured and a self-administered questionnaire was performed in female university students in Japan. </span><b><span style="font-family:Verdana;">Results: </span></b><span style="font-family:Verdana;">Handgrip strength did not significantly differ among the menstrual phases. The mean handgrip strength level (n = 260) was 26.0 ± 3.9 kg. We divided the subjects into three groups according to the handgrip strength level. Handgrip strength was associated with degrees of depression and anxiety during menstruation.</span><b><span style="font-family:Verdana;"> Conclusion: </span></b><span style="font-family:Verdana;">This can be used as fundamental data in further clarifying the relationship between muscle strength and menstruation-related symptoms.</span></span>展开更多
This study aimed to investigate how people’s subjective health changed after the coronavirus disease 2019(COVID-19)pandemic.This survey was conducted in May 2021 as a nationwide online self-reported survey in Japan.T...This study aimed to investigate how people’s subjective health changed after the coronavirus disease 2019(COVID-19)pandemic.This survey was conducted in May 2021 as a nationwide online self-reported survey in Japan.The respondents indicated how their sleep,physical condition,and mental state altered after the pandemic.Furthermore,they answered questionnaires about their intention to get vaccinated,the means of gathering information,etc.A logistic regression analysis was performed.Of the 2,573 responses,there was a decline of approximately 13.6%,14.0%,and 23.8%in subjective sleep,physical condition,and mental health after the pandemic,respectively.The logistic regression analysis demonstrated that regarding sleep,the affected group was younger,got vaccinated against influenza annually,had lower income,experienced poor sleep quality in the past month,and had worse physical and psychiatric symptoms than before the pandemic.Concerning the physical condition,the affected group lived alone,witnessed deficient sleep quality in the past month,and had deteriorated mental health status than before the COVID-19 pandemic.In terms of mental status,the affected group was younger,females,had access to more sources of information,and experienced worse sleep and physical conditions than the unchanged or improved group(p<0.05).Each group indicated an association with the background factors,confirming that the subjective sleep,physical condition,and mental state affected each other.From a preventive perspective,the results of this study suggested that factors such as youth,gender,sleep quality,pregnancy,reduced income,and greater access to information,may be necessary for physical and mental support.The above-mentioned factors should be considered in light of community life and approached accordingly.展开更多
Sensitivity to cold, which is a popular symptom in Japanese women, is associated with various symptoms such as shoulder stiffness and general fatigue. However, an association of sensitivity to cold with muscle strengt...Sensitivity to cold, which is a popular symptom in Japanese women, is associated with various symptoms such as shoulder stiffness and general fatigue. However, an association of sensitivity to cold with muscle strength has not been reported. The aim of the study was to clarify the associations of sensitivity to cold with handgrip strength and with menstruation-related symptoms in female university students in Japan. We recruited 278 female university students in Japan. Sensitivity to cold and menstruation-related symptoms including physical and psychological symptoms were assessed by using a self-administered questionnaire that we designed. Handgrip strength was measured by using a handgrip strength dynamometer. We received responses from 269 students. The prevalence rate of sensitivity to cold in the subjects was 54.3%. The students who had sensitivity to cold had a lower handgrip strength level (25.5 ± 3.8 kg) than did the students who did not have sensitivity to cold (26.7 ± 3.9 kg) (p = 0.017). Sensitivity to cold was associated with low body mass index. In addition, the students who had sensitivity to cold tended to have low back pain and constipation during menstruation. In conclusion, sensitivity to cold is an important symptom associated with muscle strength as well as menstruation-related symptoms for young women.展开更多
In 2018,the STAR collaboration collected data from^(96)_(44)Ru+^(96)_(44)Ru and^(96)_(40)Zr+^(96)_(40)Zr at√^(S)NN=200 Ge V to search for the presence of the chiral magnetic effect in collisions of nuclei.The isobar ...In 2018,the STAR collaboration collected data from^(96)_(44)Ru+^(96)_(44)Ru and^(96)_(40)Zr+^(96)_(40)Zr at√^(S)NN=200 Ge V to search for the presence of the chiral magnetic effect in collisions of nuclei.The isobar collision species alternated frequently between 9644 Ru+^(96)_(44)Ru and^(96)_(40)Zr+^(96)_(40)Zr.In order to conduct blind analyses of studies related to the chiral magnetic effect in these isobar data,STAR developed a three-step blind analysis procedure.Analysts are initially provided a"reference sample"of data,comprised of a mix of events from the two species,the order of which respects time-dependent changes in run conditions.After tuning analysis codes and performing time-dependent quality assurance on the reference sample,analysts are provided a species-blind sample suitable for calculating efficiencies and corrections for individual≈30-min data-taking runs.For this sample,species-specific information is disguised,but individual output files contain data from a single isobar species.Only run-by-run corrections and code alteration subsequent to these corrections are allowed at this stage.Following these modifications,the"frozen"code is passed over the fully un-blind data,completing the blind analysis.As a check of the feasibility of the blind analysis procedure,analysts completed a"mock data challenge,"analyzing data from Au+Au collisions at√^(S)NN=27 Ge V,collected in 2018.The Au+Au data were prepared in the same manner intended for the isobar blind data.The details of the blind analysis procedure and results from the mock data challenge are presented.展开更多
High transverse momentum(pT)particle production is suppressed owing to the parton(jet)energy loss in the hot dense medium created in relativistic heavy-ion collisions.Redistribution of energy at low-to-modest pT has b...High transverse momentum(pT)particle production is suppressed owing to the parton(jet)energy loss in the hot dense medium created in relativistic heavy-ion collisions.Redistribution of energy at low-to-modest pT has been difficult to measure,owing to large anisotropic backgrounds.We report a data-driven method for background evaluation and subtraction,exploiting the away-side pseudorapidity gaps,to measure the jetlike correlation shape in Au+Au collisions at √sNN=200 GeV in the STAR experiment.The correlation shapes,for trigger particles pT>3GeV/c and various associated particle pT ranges within 0.5<pT<10GeV/c,are consistent with Gaussians,and their widths increase with centrality.The results indicate jet broadening in the medium created in central heavy-ion collisions.展开更多
文摘Introduction: <span style="font-family:""><span style="font-family:Verdana;">Some somatic and psychological disorders have been associated with handgrip strength, which is an easy, inexpensive and noninvasive method for assessment of muscle strength. We conducted a cross-sectional </span><span style="font-family:Verdana;">study to clarify the relationship of handgrip strength and menstruation-related </span><span style="font-family:Verdana;">symptoms. </span><b><span style="font-family:Verdana;">Material and Methods:</span></b><span style="font-family:Verdana;"> Handgrip strength was measured and a self-administered questionnaire was performed in female university students in Japan. </span><b><span style="font-family:Verdana;">Results: </span></b><span style="font-family:Verdana;">Handgrip strength did not significantly differ among the menstrual phases. The mean handgrip strength level (n = 260) was 26.0 ± 3.9 kg. We divided the subjects into three groups according to the handgrip strength level. Handgrip strength was associated with degrees of depression and anxiety during menstruation.</span><b><span style="font-family:Verdana;"> Conclusion: </span></b><span style="font-family:Verdana;">This can be used as fundamental data in further clarifying the relationship between muscle strength and menstruation-related symptoms.</span></span>
基金supported by the MHLW Research on Emerging and Re-emerging Infectious Diseases and Immunization Program Grant Number JPMH20HA2011JSPS KAKENHI Grant Numbers JP20H03922,JP20K14245JST RISTEX Grant Number JPMJRX20J5.
文摘This study aimed to investigate how people’s subjective health changed after the coronavirus disease 2019(COVID-19)pandemic.This survey was conducted in May 2021 as a nationwide online self-reported survey in Japan.The respondents indicated how their sleep,physical condition,and mental state altered after the pandemic.Furthermore,they answered questionnaires about their intention to get vaccinated,the means of gathering information,etc.A logistic regression analysis was performed.Of the 2,573 responses,there was a decline of approximately 13.6%,14.0%,and 23.8%in subjective sleep,physical condition,and mental health after the pandemic,respectively.The logistic regression analysis demonstrated that regarding sleep,the affected group was younger,got vaccinated against influenza annually,had lower income,experienced poor sleep quality in the past month,and had worse physical and psychiatric symptoms than before the pandemic.Concerning the physical condition,the affected group lived alone,witnessed deficient sleep quality in the past month,and had deteriorated mental health status than before the COVID-19 pandemic.In terms of mental status,the affected group was younger,females,had access to more sources of information,and experienced worse sleep and physical conditions than the unchanged or improved group(p<0.05).Each group indicated an association with the background factors,confirming that the subjective sleep,physical condition,and mental state affected each other.From a preventive perspective,the results of this study suggested that factors such as youth,gender,sleep quality,pregnancy,reduced income,and greater access to information,may be necessary for physical and mental support.The above-mentioned factors should be considered in light of community life and approached accordingly.
文摘Sensitivity to cold, which is a popular symptom in Japanese women, is associated with various symptoms such as shoulder stiffness and general fatigue. However, an association of sensitivity to cold with muscle strength has not been reported. The aim of the study was to clarify the associations of sensitivity to cold with handgrip strength and with menstruation-related symptoms in female university students in Japan. We recruited 278 female university students in Japan. Sensitivity to cold and menstruation-related symptoms including physical and psychological symptoms were assessed by using a self-administered questionnaire that we designed. Handgrip strength was measured by using a handgrip strength dynamometer. We received responses from 269 students. The prevalence rate of sensitivity to cold in the subjects was 54.3%. The students who had sensitivity to cold had a lower handgrip strength level (25.5 ± 3.8 kg) than did the students who did not have sensitivity to cold (26.7 ± 3.9 kg) (p = 0.017). Sensitivity to cold was associated with low body mass index. In addition, the students who had sensitivity to cold tended to have low back pain and constipation during menstruation. In conclusion, sensitivity to cold is an important symptom associated with muscle strength as well as menstruation-related symptoms for young women.
文摘In 2018,the STAR collaboration collected data from^(96)_(44)Ru+^(96)_(44)Ru and^(96)_(40)Zr+^(96)_(40)Zr at√^(S)NN=200 Ge V to search for the presence of the chiral magnetic effect in collisions of nuclei.The isobar collision species alternated frequently between 9644 Ru+^(96)_(44)Ru and^(96)_(40)Zr+^(96)_(40)Zr.In order to conduct blind analyses of studies related to the chiral magnetic effect in these isobar data,STAR developed a three-step blind analysis procedure.Analysts are initially provided a"reference sample"of data,comprised of a mix of events from the two species,the order of which respects time-dependent changes in run conditions.After tuning analysis codes and performing time-dependent quality assurance on the reference sample,analysts are provided a species-blind sample suitable for calculating efficiencies and corrections for individual≈30-min data-taking runs.For this sample,species-specific information is disguised,but individual output files contain data from a single isobar species.Only run-by-run corrections and code alteration subsequent to these corrections are allowed at this stage.Following these modifications,the"frozen"code is passed over the fully un-blind data,completing the blind analysis.As a check of the feasibility of the blind analysis procedure,analysts completed a"mock data challenge,"analyzing data from Au+Au collisions at√^(S)NN=27 Ge V,collected in 2018.The Au+Au data were prepared in the same manner intended for the isobar blind data.The details of the blind analysis procedure and results from the mock data challenge are presented.
文摘High transverse momentum(pT)particle production is suppressed owing to the parton(jet)energy loss in the hot dense medium created in relativistic heavy-ion collisions.Redistribution of energy at low-to-modest pT has been difficult to measure,owing to large anisotropic backgrounds.We report a data-driven method for background evaluation and subtraction,exploiting the away-side pseudorapidity gaps,to measure the jetlike correlation shape in Au+Au collisions at √sNN=200 GeV in the STAR experiment.The correlation shapes,for trigger particles pT>3GeV/c and various associated particle pT ranges within 0.5<pT<10GeV/c,are consistent with Gaussians,and their widths increase with centrality.The results indicate jet broadening in the medium created in central heavy-ion collisions.
