Journal of Sport and Health Science最新文献

{"title":"Promoting men's health through sports clubs: A systematic rapid realist review.","authors":"Anne Timm, Aurelie van Hoye, Paul Sharp, Tue Helms Andersen, Louise Hansen, Jane Nautrup Østergaard, Peter Krustrup, Kenneth Cortsen, Peter Bindslev Iversen, Morten Hulvej Rod, Charlotte Demant Klinker","doi":"10.1016/j.jshs.2024.100969","DOIUrl":"10.1016/j.jshs.2024.100969","url":null,"abstract":"<p><strong>Background: </strong>Health promotion (HP) interventions delivered through sports clubs have demonstrated promising outcomes among men, but less is known about which aspects of the interventions work, for whom, and under what circumstances. This rapid realist review aimed to understand the contexts, mechanisms, and outcomes of HP interventions for men delivered through sports clubs.</p><p><strong>Methods: </strong>A systematic literature search was conducted in February 2023 for studies published after 2013 in MEDLINE, Embase, and SPORTDiscus databases.</p><p><strong>Included studies: </strong>(a) were delivered by or in collaboration with sports clubs, (b) targeted men aged 18+ years, and (c) reported 1 or more HP outcomes. A grey literature search was also performed. Studies were included in a realist synthesis based on richness and rigor. Hereafter, context-mechanism-outcome (CMO) configurations were developed.</p><p><strong>Results: </strong>We identified and screened 3358 studies, finally including 59 studies describing 22 interventions. Most HP interventions were delivered in high income countries, included Caucasian men aged 35-65 years with overweight/obesity, and used professional sports clubs (mostly football) for recruitment and facilities. Quantitative HP outcomes were reported across 19 interventions. Of these 19 interventions, the majority reported on weight (n = 18), physical activity (n = 12), mental health (n = 10), and diet (n = 9). We identified 13 CMOs related to how HP interventions affected men's recruitment, engagement, and health behavior maintenance.</p><p><strong>Conclusion: </strong>Our findings show that using sports clubs for HP interventions is effective for engaging men. Recruitment was facilitated by leveraging sports clubs' identity, addressing masculinity-related barriers, improving accessibility, and building trust. Engagement was enhanced through shared identity experiences, safe spaces, inclusive competition, and self-efficacy. However, there's limited evidence on behavior maintenance post-intervention, though involving community stakeholders seemed vital. In general, considerations should be made to avoid perpetuating traditional masculine norms, which may exclude some men and reinforce unhealthy behaviors. These findings can guide intervention development, emphasizing the need to harness men's perspectives in the process.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100969"},"PeriodicalIF":9.7,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142113803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sport climbing performance determinants and functional testing methods: A systematic review.","authors":"Sara Faggian, Nicola Borasio, Marco Vecchiato, Hannes Gatterer, Martin Burtscher, Francesca Battista, Hannes Brunner, Giulia Quinto, Federica Duregon, Andrea Ermolao, Daniel Neunhaeuserer","doi":"10.1016/j.jshs.2024.100974","DOIUrl":"10.1016/j.jshs.2024.100974","url":null,"abstract":"<p><strong>Background: </strong>Sport climbing is becoming incredibly popular both in the general population and among athletes. No consensus exists regarding evidence-based sport-specific performance evaluation; therefore, this systematic review is aimed at analyzing determinants of sport climbing performance and evaluation methods by comparing climbers of different levels.</p><p><strong>Methods: </strong>PubMed, Scopus, and Web of Science were searched up to December 20, 2022. Studies providing the self-reported climbing ability associated with different functional outcomes in groups of climbers of contiguous performance levels were eligible.</p><p><strong>Results: </strong>74 studies were finally included. Various methods have been proposed to evaluate determinants of sport climbing performance. Climbing-specific assessments were able to discriminate climbers of different levels when compared to general functional tests. Test validity resulted high for climbing-specific cardiorespiratory endurance as well as muscular-strength, -endurance, and -power; similarly, reliability was good except for cardiorespiratory endurance. Climbing-specific flexibility assessment resulted in high reliability but moderate validity, whereas balance showed low validity. Considerable conflicting evidence was found regarding anthropometric characteristics.</p><p><strong>Conclusion: </strong>The present analysis identified cardiorespiratory endurance as well as muscular-strength, -endurance, and -power as determinants of sport climbing performance. In contrast, balance, flexibility, and anthropometric characteristics seem to count less. This review also proposes an evidence-based Functional Sport Climbing test battery for assessing performance determinants, which includes tests that have been identified to be valid, reliable, and feasible. While athletes and coaches should rely on evidence-based and standardized evaluation methods, researchers may design specific large-scale trials as a resource for providing additional, homogenous, and comparable data to improve scientific evidence and professionalism in this popular sport discipline.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100974"},"PeriodicalIF":9.7,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142113804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accelerometer-measured physical activity, sedentary behavior, and incidence of macrovascular and microvascular events in individuals with type 2 diabetes mellitus and prediabetes.","authors":"Yannis Yan Liang, Yu He, Piao Huang, Hongliang Feng, Haiteng Li, Sizhi Ai, Jing Du, Huachen Xue, Yaping Liu, Jun Zhang, Lu Qi, Jihui Zhang","doi":"10.1016/j.jshs.2024.100973","DOIUrl":"10.1016/j.jshs.2024.100973","url":null,"abstract":"<p><strong>Background: </strong>Physical activity (PA) is considered beneficial for lowering cardiovascular risks following type 2 diabetes mellitus (T2DM) and prediabetes, but existing evidence relies mainly on self-reported measurements. We aimed to describe the intensity-specific dose-response associations of PA and sedentary behavior (SB) with macrovascular and microvascular events among individuals with T2DM and prediabetes.</p><p><strong>Methods: </strong>This study included 11,474 individuals with T2DM and prediabetes from the UK Biobank. PA, including total PA, moderate-to-vigorous intensity PA (MVPA), light-intensity PA (LPA), and SB, were measured by accelerometers over 7 days. MVPA was categorized according to the American Diabetes Association guideline-recommended level (at least 150 min/week), and total PA, LPA, and SB were grouped by tertiles. The outcomes were incidences of macrovascular events, microvascular events, heart failure (HF), and their combination (composite events). The events were ascertained using the International Classification of Diseases-10 (ICD-10) codes on the hospital or death records.</p><p><strong>Results: </strong>During a median follow-up of 6.8 years, 1680 cases were documented, including 969 macrovascular events, 839 microvascular events, and 284 incidents of HF. Accelerometer-measured PA, irrespective of intensity, was inversely associated with the risk of composite events and each outcome in the dose-response patterns. Regarding categorized PA, engagement in total PA (high vs. low) was associated with decreased risk of macrovascular events (hazard ratio (HR) = 0.80; 95% confidence interval (95%CI): 0.67-0.95), microvascular events (HR = 0.76; 95%CI: 0.63-0.93), and HF (HR = 0.46; 95%CI: 0.32-0.66). Adherence to MVPA, but not LPA, above the guideline-recommended level (at least 150 min/week) was associated with reduced risk of macrovascular events (HR = 0.80; 95%CI: 0.68-0.95), microvascular events (HR = 0.76; 95%CI: 0.63-0.92), and HF (HR = 0.65; 95%CI: 0.46-0.92). The minimum dose of MVPA for lowering the risk of composite events was approximately 59.0 min/week. More time spent in SB was associated with an increased risk of composite events (high vs. low, HR = 1.17; 95%CI: 1.02-1.35) and HF (high vs. low, HR = 1.54; 95%CI: 1.09-2.20). Replacement of 30 min of SB (HR = 0.73; 95%CI: 0.65-0.81) and LPA (HR = 0.74; 95%CI: 0.66-0.83) with MVPA dramatically reduced the risk of composite events.</p><p><strong>Conclusion: </strong>Adherence to a higher amount of accelerometer-measured PA, especially MVPA at least 59 min/week, is associated with reduced risks of macrovascular and microvascular events among individuals with T2DM and prediabetes. Replacement of SB and LPA with MVPA helped lower the risk of diabetic vascular events.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100973"},"PeriodicalIF":9.7,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142113802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Commentary on the dose-response effect of pre-exercise carbohydrates in McArdle disease: Methodological considerations and practical implications.","authors":"Jiawei Du, Jinghua Hou","doi":"10.1016/j.jshs.2024.100972","DOIUrl":"10.1016/j.jshs.2024.100972","url":null,"abstract":"","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100972"},"PeriodicalIF":9.7,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142094002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"BMAL1/PGC1α4-FNDC5/irisin axis impacts distinct outcomes of time-of-day resistance exercise.","authors":"Mingwei Guo, Fei Shen, Xiaozhen Guo, Jun Zhang, Ying Ma, Xia Wu, Hui Zuo, Jing Yao, Yepeng Hu, Dongmei Wang, Yu Li, Jin Li, Jin Qiu, Jian Yu, Meiyao Meng, Ying Zheng, Xin Chen, Mingkai Gong, Kailin Liu, Ling Jin, Xiangyu Ren, Qiang Zhang, Yu Zhao, Xuejiang Gu, Feixia Shen, Dali Li, Liangcai Gao, Chang Liu, Fei Zhou, Mian Li, Jiqiu Wang, Shuzhe Ding, Xinran Ma, Jian Lu, Cen Xie, Junjie Xiao, Lingyan Xu","doi":"10.1016/j.jshs.2024.100968","DOIUrl":"10.1016/j.jshs.2024.100968","url":null,"abstract":"<p><strong>Background: </strong>Resistance exercise leads to improved muscle function and metabolic homeostasis. Yet how circadian rhythm impacts exercise outcomes and its molecular transduction remains elusive.</p><p><strong>Methods: </strong>Human volunteers were subjected to 4 weeks of resistance training protocols at different times of day to assess training outcomes and their associations with myokine irisin. Based on rhythmicity of Fibronectin type III domain containing 5 (FNDC5/irisin), we trained wild type and FNDC5 knockout mice at late active phase (high FNDC5/irisin level) or late rest phase (low FNDC5/irisin level) to analyze exercise benefits on muscle function and metabolic homeostasis. Molecular analysis was performed to understand the regulatory mechanisms of FNDC5 rhythmicity and downstream signaling transduction in skeletal muscle.</p><p><strong>Results: </strong>In this study, we showed that regular resistance exercises performed at different times of day resulted in distinct training outcomes in humans, including exercise benefits and altered plasma metabolomics. We found that muscle FNDC5/irisin levels exhibit rhythmicity. Consistent with human data, compared to late rest phase (low irisin level), mice trained chronically at late active phase (high irisin level) gained more muscle capacity along with improved metabolic fitness and metabolomics/lipidomics profiles under a high-fat diet, whereas these differences were lost in FNDC5 knockout mice. Mechanistically, Basic helix-loop-helix ARNT like 1 (BMAL1) and Peroxisome proliferative activated receptor, gamma, coactivator 1 alpha 4 (PGC1α4) induce FNDC5/irisin transcription and rhythmicity, and the signaling is transduced via αV integrin in muscle.</p><p><strong>Conclusion: </strong>Together, our results offered novel insights that exercise performed at distinct times of day determines training outcomes and metabolic benefits through the rhythmic regulation of the BMAL1/PGC1α4-FNDC5/irisin axis.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100968"},"PeriodicalIF":9.7,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142074312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interplay between physical activity volume and intensity with modeled life expectancy in women and men: A prospective cohort analysis.","authors":"Francesco Zaccardi, Alex V Rowlands, Paddy C Dempsey, Cameron Razieh, Joe Henson, Jonathan Goldney, Benjamin D Maylor, Atanu Bhattacharjee, Yogini Chudasama, Charlotte Edwardson, Jari A Laukkanen, Ulf Ekelund, Melanie J Davies, Kamlesh Khunti, Thomas Yates","doi":"10.1016/j.jshs.2024.100970","DOIUrl":"10.1016/j.jshs.2024.100970","url":null,"abstract":"<p><strong>Background: </strong>There is a lack of research examining the interplay between objectively measured physical activity volume and intensity with life expectancy. The purpose of the study was to investigate the interplay between objectively measured PA volume and intensity profiles with modeled life expectancy in women and men within the UK Biobank cohort study and interpret findings in relation to brisk walking.</p><p><strong>Methods: </strong>Individuals from UK Biobank with wrist-worn accelerometer data were included. The average acceleration and intensity gradient were extracted to describe the physical activity volume and intensity profile. Mortality data were obtained from national registries. Adjusted life expectancies were estimated using parametric flexible survival models.</p><p><strong>Results: </strong>40,953 (57.1%) women (median age = 61.9 years) and 30,820 (42.9%) men (63.1 years) were included. Over a median follow-up of 6.9 years, there were 1719 (2.4%) deaths (733 in women; 986 in men). At 60 years, life expectancy was progressively longer for higher physical activity volume and intensity profiles, reaching 95.6 years in women and 94.5 years in men at the 90th centile for both volume and intensity, corresponding to 3.4 additional years (95% confidence interval (95%CI): 2.4-4.4) in women and 4.6 additional years (95%CI: 3.6-5.6) in men compared to those at the 10th centiles. An additional 10-min or 30-min daily brisk walk was associated with 0.9 (95%CI: 0.5-1.3) and 1.4 years (95%CI: 0.9-1.9) longer life expectancy, respectively, in inactive women; and 1.4 years (95%CI: 1.0-1.8) and 2.5 (95%CI: 1.9-3.1) in inactive men.</p><p><strong>Conclusion: </strong>Higher physical activity volumes were associated with longer life expectancy, with a higher physical activity intensity profile further adding to a longer life. Adding as little as a 10-min brisk walk to daily activity patterns may result in a meaningful benefit to life expectancy.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100970"},"PeriodicalIF":9.7,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142057018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Occupational physical activity, all-cause, cardiovascular disease, and cancer mortality in 349,248 adults: Prospective and longitudinal analyses of the MJ Cohort.","authors":"Emmanuel Stamatakis, Matthew N Ahmadi, Tiana-Lee Elphick, Bo-Huei Huang, Susan Paudel, Armando Teixeira-Pinto, Li-Jung Chen, Borja Del Pozo Cruz, Yun-Ju Lai, Andreas Holtermann, Po-Wen Ku","doi":"10.1016/j.jshs.2024.03.002","DOIUrl":"10.1016/j.jshs.2024.03.002","url":null,"abstract":"<p><strong>Background: </strong>Evidence on the health benefits of occupational physical activity (OPA) is inconclusive. We examined the associations of baseline OPA and OPA changes with all-cause, cardiovascular disease (CVD), and cancer mortality and survival times.</p><p><strong>Methods: </strong>This study included prospective and longitudinal data from the MJ Cohort, comprising adults over 18 years recruited in 1998-2016, 349,248 adults (177,314 women) with baseline OPA, of whom 105,715 (52,503 women) had 2 OPA measures at 6.3 ± 4.2 years (mean ± SD) apart. Exposures were baseline OPA, OPA changes, and baseline leisure-time physical activity.</p><p><strong>Results: </strong>Over a mean mortality follow-up of 16.2 ± 5.5 years for men and 16.4 ± 5.4 years for women, 11,696 deaths (2033 of CVD and 4631 of cancer causes) in men and 8980 deaths (1475 of CVD and 3689 of cancer causes) in women occurred. Combined moderately heavy/heavy baseline OPA was beneficially associated with all-cause mortality in men (multivariable-adjusted hazard ratio (HR) = 0.93, 95% confidence interval (95%CI): 0.89-0.98 compared to light OPA) and women (HR = 0.86, 95%CI: 0.79-0.93). Over a mean mortality follow-up of 12.5 ± 4.6 years for men and 12.6 ± 4.6 years for women, OPA decreases in men were detrimentally associated (HR = 1.16, 95%CI: 1.01-1.33) with all-cause mortality, while OPA increases in women were beneficially (HR = 0.83, 95%CI: 0.70-0.97) associated with the same outcome. Baseline or changes in OPA showed no associations with CVD or cancer mortality.</p><p><strong>Conclusion: </strong>Higher baseline OPA was beneficially associated with all-cause mortality risk in both men and women. Our longitudinal OPA analyses partly confirmed the prospective findings, with some discordance between sex groups.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"579-589"},"PeriodicalIF":11.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11184299/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140094971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Differences between lower extremity joint running kinetics captured by marker-based and markerless systems were speed dependent.","authors":"Hui Tang, Barry Munkasy, Li Li","doi":"10.1016/j.jshs.2024.01.002","DOIUrl":"10.1016/j.jshs.2024.01.002","url":null,"abstract":"<p><strong>Background: </strong>The development of computer vision technology has enabled the use of markerless movement tracking for biomechanical analysis. Recent research has reported the feasibility of markerless systems in motion analysis but has yet to fully explore their utility for capturing faster movements, such as running. Applied studies using markerless systems in clinical and sports settings are still lacking. Thus, the present study compared running biomechanics estimated by marker-based and markerless systems. Given running speed not only affects sports performance but is also associated with clinical injury prevention, diagnosis, and rehabilitation, we aimed to investigate the effects of speed on the comparison of estimated lower extremity joint moments and powers between markerless and marker-based technologies during treadmill running as a concurrent validating study.</p><p><strong>Methods: </strong>Kinematic data from marker-based/markerless technologies were collected, along with ground reaction force data, from 16 young adults running on an instrumented treadmill at 3 speeds: 2.24 m/s, 2.91 m/s, and 3.58 m/s (5.0 miles/h, 6.5 miles/h, and 8.0 miles/h). Sagittal plane moments and powers of the hip, knee, and ankle were calculated by inverse dynamic methods. Time series analysis and statistical parametric mapping were used to determine system differences.</p><p><strong>Results: </strong>Compared to the marker-based system, the markerless system estimated increased lower extremity joint kinetics with faster speed during the swing phase in most cases.</p><p><strong>Conclusion: </strong>Despite the promising application of markerless technology in clinical settings, systematic markerless overestimation requires focused attention. Based on segment pose estimations, the centers of mass estimated by markerless technologies were farther away from the relevant distal joint centers, which led to greater joint moments and powers estimates by markerless vs. marker-based systems. The differences were amplified by running speed.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"569-578"},"PeriodicalIF":11.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11184322/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139467230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Commentary on \"Why people should run after positive affective experiences instead of health benefits\".","authors":"Ting Wang, Jinghua Chen, Robert Schinke, Liye Zou","doi":"10.1016/j.jshs.2023.06.003","DOIUrl":"10.1016/j.jshs.2023.06.003","url":null,"abstract":"","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"451-452"},"PeriodicalIF":11.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11184376/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9873864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"There is more to the knee joint than just the quadriceps: A systematic review with meta-analysis and evidence gap map of hamstring strength, flexibility, and morphology in individuals with gradual-onset knee disorders.","authors":"Helder S Lopes, Marina C Waiteman, Liliam B Priore, Neal R Glaviano, David M Bazett-Jones, Ronaldo V Briani, Fábio M Azevedo","doi":"10.1016/j.jshs.2023.08.004","DOIUrl":"10.1016/j.jshs.2023.08.004","url":null,"abstract":"<p><strong>Background: </strong>Impairments in hamstring strength, flexibility, and morphology have been associated with altered knee biomechanics, pain, and function. Determining the presence of these impairments in individuals with gradual-onset knee disorders is important and may indicate targets for assessment and rehabilitation. This systematic review aimed to synthesize the literature to determine the presence of impairments in hamstring strength, flexibility, and morphology in individuals with gradual-onset knee disorders.</p><p><strong>Methods: </strong>Five databases (MEDLINE, Embase, CINAHL, SPORTDiscus, and Web of Science) were searched from inception to September 2022. Only studies comparing hamstring outcomes (e.g., strength, flexibility, and/or morphology) between individuals with gradual-onset knee disorders and their unaffected limbs or pain-free controls were included. Meta-analyses for each knee disorder were performed. Outcome-level certainty was assessed using the Grading of Recommendations Assessment, Development, and Evaluation, and evidence gap maps were created.</p><p><strong>Results: </strong>Seventy-nine studies across 4 different gradual-onset knee disorders (i.e., knee osteoarthritis (OA), patellofemoral pain (PFP), chondromalacia patellae, and patellar tendinopathy) were included. Individuals with knee OA presented with reduced hamstring strength compared to pain-free controls during isometric (standard mean difference (SMD) = -0.76, 95% confidence interval (95%CI) : -1.32 to -0.21) and concentric contractions (SMD = -0.97, 95%CI : -1.49 to -0.45). Individuals with PFP presented with reduced hamstring strength compared to pain-free controls during isometric (SMD = -0.48, 95%CI : -0.82 to -0.14), concentric (SMD = -1.07, 95%CI : -2.08 to -0.06), and eccentric contractions (SMD = -0.59, 95%CI : -0.97 to -0.21). No differences were observed in individuals with patellar tendinopathy. Individuals with PFP presented with reduced hamstring flexibility when compared to pain-free controls (SMD = -0.76, 95%CI : -1.15 to -0.36). Evidence gap maps identified insufficient evidence for chondromalacia patellae and hamstring morphology across all gradual-onset knee disorders.</p><p><strong>Conclusion: </strong>Our findings suggest that assessing and targeting impairments in hamstring strength and flexibility during rehabilitation may be recommended for individuals with knee OA or PFP.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"521-536"},"PeriodicalIF":11.7,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11184318/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10282956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}