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Impact of exercise on markers of B cell-related immunity:A systematic review

Journal of sport and health Science 2024年第3期13卷 339-352,I0002页

作者： David Walzik Sergen Belen Karen Wilisch Marie Kupjetz Silvana Kirschke Tobias Esser Niklas Joisten Alexander Schenk Sebastian Proschinger Philipp Zimmer Division of Performance and health(sports Medicine) Institute for Sport and Sport ScienceTU Dortmund UniversityDortmund 44227Germany

Background:B cells represent a crucial component of adaptive immunity that ensures long-term protection from infection by generating pathogen-specific *** alters B cell counts and immunoglobulin levels,but evidence-based conclusions on potential benefits for adaptive immunity are *** systematic review assessed current literatures on the impact of acute exercise and exercise training on B cells,immunoglobulins,and markers of secretory immunity in human ***:According to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses(PRISMA)guidelines,MEDLINE,Web of Science,and Embase were searched on March 8,***-randomized controlled trials and crossover trials investigating the impact of acute exercise or exercise training on B cell counts and proportions,immunoglobulin levels,salivary flow rate,or secretory immunoglobulin A secretion rate were *** and reporting of exercise training studies were assessed using the Tool for the Assessment of Study Quality and reporting in *** characteristics,outcome measures,and statistically significant changes were summarized ***:Of the 67 eligible studies,22 applied acute exercise and 45 applied exercise *** included outcomes revealed significant alterations over time in acute exercise and exercise training context,but only a few investigations showed significant differences compared to control *** and plasma immunoglobulin A levels were most consistently increased in response to exercise ***:B cell-related outcomes are altered by acute exercise and exercise training,but evidence-based conclusions cannot be drawn with high confidence due to the large heterogeneity in populations and exercise ***-designed trials with large sample sizes are needed to clarify how exercise shapes B cell-related immunity.

关键词： Antibody B-lymphocyte Exercise Humoral immunity Immune system

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Refining safety considerations for intradialytic blood flow restriction exercise. Commentary on “Concerns on the application of blood-flow restriction resistance exercise and thrombosis risk in hemodialysis patients”

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Journal of sport and health Science 2024年第4期13卷 455-456页

作者： Matthew J.Clarkson institute for health and sport Victoria UniversityMelbourneVIC 8001Australia

I read with great interest the article“Concerns on the application of blood flow restriction resistance exercise and thrombosis risk in hemodialysis patients”by Correa et al.1 The study presents complementary data from a previous randomized controlled trial,2 exploring the application of intradialytic blood flow restriction exercise for hemodialysis patients.

关键词： patients hemodialysis

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Molecular insights of exercise therapy in disease prevention and treatment

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2564-2597页

作者： David Walzik Tiffany YWences Chirino Philipp Zimmer Niklas Joisten Division of Performance and health(sports Medicine) Institute for Sport and Sport ScienceTU Dortmund University44227 DortmundNorth Rhine-WestphaliaGermany Division of Exercise and Movement Science Institute for Sport ScienceUniversity of Göttingen37075 GöttingenLower SaxonyGermany

Despite substantial evidence emphasizing the pleiotropic benefits of exercise for the prevention and treatment of various diseases,the underlying biological mechanisms have not been fully *** exercise benefits have been attributed to signaling molecules that are released in response to exercise by different tissues such as skeletal muscle,cardiac muscle,adipose,and liver *** signaling molecules,which are collectively termed exerkines,form a heterogenous group of bioactive substances,mediating inter-organ crosstalk as well as structural and functional tissue *** scientific endeavors have focused on identifying and characterizing new biological mediators with such ***,some investigations have focused on the molecular targets of exerkines and the cellular signaling cascades that trigger adaption processes.A detailed understanding of the tissue-specific downstream effects of exerkines is crucial to harness the health-related benefits mediated by exercise and improve targeted exercise programs in health and ***,we review the current in vivo evidence on exerkine-induced signal transduction across multiple target tissues and highlight the preventive and therapeutic value of exerkine signaling in various *** emphasizing different aspects of exerkine research,we provide a comprehensive overview of(i)the molecular underpinnings of exerkine secretion,(ii)the receptor-dependent and receptor-independent signaling cascades mediating tissue adaption,and(iii)the clinical implications of these mechanisms in disease prevention and treatment.

关键词： prevention treatment collective

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Injury and illness in short-course triathletes:A systematic review

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Journal of sport and health Science 2024年第2期13卷 172-185页

作者： Sara A.Guevara Melissa L.Crunkhorn Michael Drew Gordon Waddington Julien D.Périard Naroa Etxebarria Liam A.Toohey Paula Charlton University of Canberra Research institute for sport and Exercise(UCRISE) BruceACT 2617Australia New South Wales institute of sport SydneyNSW 2127Australia Queensland Academy of sport BrisbaneQLD 4111Australia Triathlon Australia Gold CoastQLD 4227Australia Australian institute of sport BruceACT 2617Australia

Background:Determining the incidence and prevalence of injury and illness in short-course triathletes would improve understanding of their etiologies and therefore assist in the development and implementation of prevention *** study synthesizes the existing evidence on the incidence and prevalence of injury and illness and summarizes reported injury or illness etiology and risk factors affecting short-course ***:This review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses *** reporting health problems(injury and illness)in triathletes(all sexes,ages,and experience levels)training and/or competing in short-course distances were *** electronic databases(Cochrane Central Register of Controlled Trials,MEDLINE,Embase,APA PsychINFO,Web of Science Core Collection,and sportDiscus)were *** of bias was independently assessed by 2 reviewers using the Newcastle-Ottawa Quality Assessment *** authors independently completed data ***:The search yielded 7998 studies,with 42 studies eligible for ***-three studies investigated injuries,24 studies investigated illnesses,and 5 studies investigated both injuries and *** injury incidence rate ranged 15.7-24.3 per 1000 athlete exposures,and the illness incidence rate ranged 1.8-13.1 per 1000 athlete *** and illness prevalence ranged between 2%-15%and 6%-84%,*** injuries reported occurred during running(45%-92%),and the most frequently reported illnesses affected the gastrointestinal(7%-70%),cardiovascular(14%-59%),and respiratory systems(5%-60%).Conclusion:The most frequently reported health problems in short-course triathletes were:overuse and lower limb injuries associated with running;gastrointestinal illnesses and altered cardiac function,primarily attributable to environmental factors;and respiratory illness mostly caused by infection.

关键词： Athlete illnesses Athletic injuries Epidemiology Triathlon

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Dose-response associations,physical activity intensity and mortality risk:A narrative review

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Journal of sport and health Science 2024年第1期13卷 24-29页

作者： Ulf Ekelund Miguel Adriano Sanchez-Lastra Knut Eirik Dalene Jakob Tarp Department of sport Medicine Norwegian School of Sport SciencesOslo 0806Norway Department of Chronic Diseases Norwegian Institute of Public HealthOslo 0213Norway Department of Special Didactics Faculty of Education and Sports SciencesUniversity of VigoPontevedra 36005Spain Well-Move Research Group Galicia-Sur Health Research Institute(SERGAS-UVIGO)Vigo 36213Spain

Physical activity is consistently associated with reduced mortality,decreased risk for non-communicable diseases,and improved mental health in observational *** controlled trials and observational Mendelian randomization studies support causal links between physical activity and health ***,the scarcity of evidence from randomized controlled trials,along with their inherent challenges like exposure contrasts,healthy volunteer biases,loss to follow-up,and limited real-world dose-response data,warrants a comprehensive *** review advocates synthesizing insights from diverse study designs to better understand the causal relationship between physical activity,mortality risk,and other health ***,it summarizes recent research since the publication of current physical activity *** observational studies utilizing device-measured physical activity underscore the importance of every minute of activity and suggest that all intensity levels confer health benefits,with vigorous-intensity potentially requiring lower volumes for substantial *** guidelines,informed by device-measured physical activity studies,may offer refined age-specific recommendations,emphasize vigorous-intensity physical activity,and include daily step counts as a simple,easily assessable metric using commercial wearables.

关键词： Accelerometers Non-communicable diseases Public health Sedentary behavior

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Ready,set,go:Medical preparations for the Paris 2024 Paralympic Games

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Journal of sport and health Science 2024年第6期13卷 726-727页

作者： Carolette Snyders Wayne Derman Martin Schwellnus sport Exercise Medicine and Lifestyle Institute(SEMLI)Faculty of Health SciencesUniversity of PretoriaPretoria 0083South Africa IOC Research Centre of South Africa Pretoria 0083South Africa institute of sport and Exercise Medicine Department of ExerciseSport and Lifestyle MedicineFaculty of Medicine and Health SciencesStellenbosch UniversityTygerberg 7505South Africa

*** In August 2024,over 4400 Paralympic athletes will gather in Paris for the Paralympic Summer Games—the pinnacle of every Paralympian’s(Para athletes competing at the Paralympic Games)career to showcase their ability and *** training,preparation,and effort in the years leading up to the Games are *** achieve success,Paralympians specifically rely on a medical support team to achieve their ***,what is required of the medical support team to prepare Paralympians to get ready,set,and go to Paris 2024?

关键词： Paris Games athletes

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Revisiting the stretch-induced force deficit:A systematic review with multilevel meta-analysis of acute effects

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Journal of sport and health Science 2024年第6期13卷 805-819页

作者： Konstantin Warneke Lars Hubertus Lohmann institute of Human Movement Science Sport and HealthUniversity of GrazGraz 8010Austria institute of sport Science Alpen-Adria University of KlagenfurtKlagenfurt am Worthersee 9020Austria institute of Human Movement and Exercise Physiology University of JenaJena 07749Germany

Background:When recommending avoidance of static stretching prior to athletic performance,authors and practitioners commonly refer to available systematic ***,effect sizes(ES)in previous reviews were extracted in major part from studies lacking control conditions and/or prepost testing ***,currently available reviews conducted calculations without accounting for multiple study outcomes,with ES:0.03 to 0.10,which would commonly be classified as ***:Since new meta-analytical software and controlled research articles have appeared since 2013,we revisited the available literatures and performed a multilevel meta-analysis using robust variance estimation of controlled prepost trials to provide updated ***,previous research described reduced electromyography activity—also attributable to fatiguing training routines—as being responsible for decreased subsequent *** second part of this study opposed stretching and alternative interventions sufficient to induce general fatigue to examine whether static stretching induces higher performance losses compared to other exercise ***:Including 83 studies with more than 400 ES from 2012 participants,our results indicate a significant,small ES for a static stretch-induced maximal strength loss(ES=0.21,p=0.003),with high magnitude ES(ES=0.84,p=0.004)for stretching durations60 s per bout when compared to passive *** opposed to active controls,the maximal strength loss ranges between ES:0.17 to0.28,p<0.001 and 0.040 with mostly no to small ***,stretching did not negatively influence athletic performance in general(when compared to both passive and active controls);in fact,a positive effect on subsequent jumping performance(ES=0.15,p=0.006)was found in ***:Regarding strength testing of isolated muscles(e.g.,leg extensions or calf raises),our results confirm previous ***,since no(or even positive)e

关键词： Static stretching Maximal strength Athletic performance Performance testing

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Chronic effects of stretching on range of motion with consideration of potential moderating variables:A systematic review with meta-analysis

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Journal of sport and health Science 2024年第2期13卷 186-194页

作者： Andreas Konrad Shahab Alizadeh Abdolhamid Daneshjoo Saman Hadjizadeh Anvar Andrew Graham Ali Zahiri Reza Goudini Chris Edwards Carina Scharf David George Behm institute of Human Movement Science Sport and HealthGraz UniversityGraz A-8010Austria School of Human Kinetics and Recreation Memorial University of NewfoundlandSt.John’sNL A1C 5S7Canada Department of sport Injuries and Corrective Exercises Faculty of Sport SciencesShahid Bahonar University of KermanKerman 76169-13439Iran

Background:It is well known that stretch training can induce prolonged increases in joint range of motion(ROM).However,to date more information is needed regarding which training variables might have greater influence on improvements in ***,the purpose of this metaanalysis was to investigate the effects of stretch training on ROM in healthy participants by considering potential moderating variables,such as stretching technique,intensity,duration,frequency,and muscles stretched,as well as sex-specific,age-specific,and/or trained state-specific adaptations to stretch ***:We searched through PubMed,Scopus,Web of Science,and sportDiscus to find eligible studies and,finally,assessed the results from 77 studies and 186 effect sizes by applying a random-effect ***,by applying a mixed-effect model,we performed the respective subgroup *** find potential relationships between stretch duration or age and effect sizes,we performed a ***:We found a significant overall effect,indicating that stretch training can increase ROM with a moderate effect compared to the controls(effect size=-1.002;Z=-12.074;95%confidence interval:-1.165 to-0.840;psports practice is that neither volume,intensity,nor frequency of stretching were

关键词： Flexibility Long-term stretching Stretch training

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Interactions between myoblasts and macrophages under high glucose milieus result in inflammatory response and impaired insulin sensitivity

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World Journal of Diabetes 2024年第7期15卷 1589-1602页

作者： Wei Luo Yue Zhou Li-Ying Wang Lei Ai Department of sports and health Sciences Nanjing Sport InstituteNanjing 210014Jiangsu ProvinceChina Department of Exercise Physiology Beijing Sport UniversityBeijing 100084China Department of sports Physiology Research Jiangsu Research Institute of Sports ScienceNanjing 210033Jiangsu ProvinceChina

BACKGROUND Skeletal muscle handles about 80% of insulin-stimulated glucose uptake and become the major organ occurring insulin resistance(IR).Many studies have confirmed the interactions between macrophages and skeletal muscle regulated the inflammation and regeneration of skeletal ***,despite of the decades of research,whether macrophages infiltration and polarization in skeletal muscle under high glucose(HG)milieus results in the development of IR is yet to be elucidated.C2C12 myoblasts are well-established and excellent model to study myogenic regulation and its responses to *** exploration of macrophages'role in myoblasts IR and the dynamics of their infiltration and polarization is *** To evaluate interactions between myoblasts and macrophages under HG,and its effects on inflammation and IR in skeletal *** We detected the polarization status of macrophages infiltrated to skeletal muscles of IR mice by hematoxylin and eosin and immunohistochemical ***,we developed an in vitro co-culture system to study the interactions between myoblasts and macrophages under HG *** effects of myoblasts on macrophages were explored through morphological observation,CCK-8 assay,Flow Cytometry,and enzyme-linked immunosorbent *** mediation of macrophages to myogenesis and insulin sensitivity were detected by morphological observation,CCK-8 assay,Immunofluorescence,and 2-NBDG *** The F4/80 and co-localization of F4/80 and CD86 increased,and the myofiber size decreased in IR group(P0.8).In McM+HG group,F4/80+CD86+CD206-cells,monocyte chemoattractant protein 1,TNFα,IL-1βand IL-6 were increased,and F4/80+CD206+CD86-cells and IL-10 were decreased compared with Mc+HG group and McM group(P0.8).Compered to M group,myotube area,myotube n

关键词： Macrophages phenotype Myoblasts Cross-talk Glucose toxicity Chronic inflammation Insulin sensitivity

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Combined Effect of Outdoor Time and Other Modifiable Factors on Myopia Incidence Among Children and Adolescents—9 PLADs,China,2020

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China CDC weekly 2024年第9期6卷 151-156,I0001,I0002页

作者： Panliang Zhong Yunfei Liu Ning Ma Jiajia Dang Di Shi Shan Cai Ziyue Chen Yanhui Dong Peijin Hu Jun Ma Patrick W.C Lau Randall S.Stafford Yi Song institute of Child and Adolescent health School of Public HealthPeking UniversityNational Health Commission Key Laboratory of Reproductive HealthBeijingChina Department of sport Physical Education&HealthHong Kong Baptist UniversityKowloon TongHong Kong Special Administrative RegionChina Department of Medicine Stanford Prevention Research CenterStanford University School of MedicineStanfordCAUnited States

Summary What is already known about this topic?Myopia has been identified as a significant emerging challenge and policy priority among children and adolescents in China by the Ministry of Education and seven other *** research has been conducted to investigate the collective impact of outdoor time and other modifiable factors on the incidence of myopia.

关键词： Incidence collective policy

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