Mitchell J Andersson, Göran Kenttä, Emma Claesdotter-Knutsson, Anders Håkansson
{"title":"Correction: Mental health symptom burden in elite ice hockey players and its association with self-reported concussive events.","authors":"Mitchell J Andersson, Göran Kenttä, Emma Claesdotter-Knutsson, Anders Håkansson","doi":"10.1186/s13102-024-01039-5","DOIUrl":"10.1186/s13102-024-01039-5","url":null,"abstract":"","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"241"},"PeriodicalIF":2.1,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11648289/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142839767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Multidimensional analysis of serving speed in volleyball players by position, sets, and league types: interactions and statistical differences.","authors":"Emre Altundag, Caglar Soylu, Zeki Akyildiz","doi":"10.1186/s13102-024-01031-z","DOIUrl":"10.1186/s13102-024-01031-z","url":null,"abstract":"<p><strong>Purpose: </strong>Our study explores the multifaceted factors influencing serve speed in volleyball, including player position, match progression, and league level, providing actionable insights for performance optimization and injury prevention strategies.</p><p><strong>Methods: </strong>Using a cross-sectional approach, the study analyzes 15.347 serves from various leagues. A multifactorial ANOVA analysis was conducted to assess how player positions, sets, and league types influence serving speed.</p><p><strong>Results: </strong>Significant differences were observed in serve speed between player positions (F = 375.844, p < .001), throughout match sets (F = 17.624, p < .001), and across different league types (F = 356.914, p < .001). Players in higher leagues, especially the 1st Men's league, displayed higher serve speeds compared to those in lower leagues (like the 2nd Women's league). Various serve types (jump float, jump spin, tennis serve) significantly impacted serve speed. Notable interactions between player positions and sets, as well as between positions and league types, were found. However, a three-way interaction among position, sets, and league type was not significant.</p><p><strong>Conclusions: </strong>The study emphasizes the need for targeted training interventions considering competitive level, gender, and match progression to optimize serving speed. This research contributes to the field of sports science, especially for performance enhancement in competitive volleyball.</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"240"},"PeriodicalIF":2.1,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11622488/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142792635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Libuša Nechalová, Viktor Bielik, Ivan Hric, Miriam Babicová, Eva Baranovičová, Marián Grendár, Juraj Koška, Adela Penesová
{"title":"Gut microbiota and metabolic responses to a 12-week caloric restriction combined with strength and HIIT training in patients with obesity: a randomized trial.","authors":"Libuša Nechalová, Viktor Bielik, Ivan Hric, Miriam Babicová, Eva Baranovičová, Marián Grendár, Juraj Koška, Adela Penesová","doi":"10.1186/s13102-024-01029-7","DOIUrl":"10.1186/s13102-024-01029-7","url":null,"abstract":"<p><strong>Background: </strong>Nowadays, obesity has become a major health issue. In addition to negatively affecting body composition and metabolic health, recent evidence shows unfavorable shifts in gut microbiota in individuals with obesity. However, the effects of weight loss on gut microbes and metabolites remain controversial. Therefore, the purpose of this study was to investigate the effects of a 12-week program on gut microbiota and metabolic health in patients with obesity.</p><p><strong>Methods: </strong>We conducted a controlled trial in 23 male and female patients with obesity. Twelve participants completed a 12-week program of caloric restriction combined with strength and HIIT training (INT, pre-BMI 37.33 ± 6.57 kg/m<sup>2</sup>), and eleven participants were designated as non-intervention controls (pre-BMI 38.65 ± 8.07 kg/m<sup>2</sup>). Metagenomic sequencing of the V3-V4 region of the 16S rDNA gene from fecal samples allowed for gut microbiota classification. Nuclear magnetic resonance spectroscopy characterized selected serum and fecal metabolite concentrations.</p><p><strong>Results: </strong>Within INT, we observed a significant improvement in body composition; a significant decrease in liver enzymes (AST, ALT, and GMT); a significant increase in the relative abundance of the commensal bacteria (e.g., Akkermansia muciniphila, Parabacteroides merdae, and Phocaeicola vulgatus); and a significant decrease in the relative abundance of SCFA-producing bacteria (e.g., the genera Butyrivibrio, Coprococcus, and Blautia). In addition, significant correlations were found between gut microbes, body composition, metabolic health biomarkers, and SCFAs. Notably, the Random Forest Machine Learning analysis identified predictors (Butyrivibrio fibrisolvens, Blautia caecimuris, Coprococcus comes, and waist circumference) with a moderate ability to discriminate between INT subjects pre- and post-intervention.</p><p><strong>Conclusions: </strong>Our results indicate that a 12-week caloric restriction combined with strength and HIIT training positively influences body composition, metabolic health biomarkers, gut microbiota, and microbial metabolites, demonstrating significant correlations among these variables. We observed a significant increase in the relative abundance of bacteria linked to obesity, e.g., Akkermansia muciniphila. Additionally, our study contributes to the ongoing debate about the role of SCFAs in obesity, as we observed a significant decrease in SCFA producers after a 12-week program.</p><p><strong>Trial registration: </strong>The trial was registered on [05/12/2014] with ClinicalTrials.gov (No: NCT02325804).</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"239"},"PeriodicalIF":2.1,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11619444/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zhaowen Zhou, Yiping Chen, Ke Huang, Feng Zeng, Zhenwen Liang, Nan Wang, Zhuoming Chen, Cheng Deng
{"title":"Relationship between physical fitness and executive function in preschool children: a cross-sectional study.","authors":"Zhaowen Zhou, Yiping Chen, Ke Huang, Feng Zeng, Zhenwen Liang, Nan Wang, Zhuoming Chen, Cheng Deng","doi":"10.1186/s13102-024-01028-8","DOIUrl":"10.1186/s13102-024-01028-8","url":null,"abstract":"<p><strong>Background: </strong>Physical fitness (PF) is important for children's physical and cognitive development. There is increasing interest in the relationship between physical fitness, and executive function. Since it is unclear which physical fitness component benefits which domain of executive functioning, it's challenging to develop effective physical intervention programs for children with executive functioning disorders. This study aimed to examine the relationship between physical fitness components, and executive function domains.</p><p><strong>Methods: </strong>A cross-sectional study was conducted in 14 kindergartens and recruited 272 preschool children aged 3-6. PF was assessed by the National Physical Fitness Measurement (NPFM), including six physical fitness subtests: 10-m shuttle run test (SRT), standing long jump (SLJ), tennis ball throwing (TBT), double-leg timed hop (DTH) tests, sit-and-reach (SR), and balance beam walking (BBW). Executive function assessments include the dimensional change card sort (DCCS) test, digit span test (DST) and Head-toe-knee-shoulder (HTKS) task, to evaluate cognitive flexibility, working memory, and inhibitory control respectively.</p><p><strong>Results: </strong>Results from the Spearman correlations analysis showed a significant association between physical fitness and executive function. The hierarchical linear regression showed that age was the only predictor for cognitive flexibility (β = 0.53, p < 0.01) and working memory (β = 0.53, p < 0.01). For inhibitory control, children with older age (β = 0.52, p < 0.01) and better performance on SRT (β = -0.14, p < 0.01) and SLJ (β = 0.13, p < 0.01) scored higher in the HTKS.</p><p><strong>Conclusions: </strong>The results indicated physical fitness, especially speed-agility and lower limb strength, is related to inhibitory control in preschool children.</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"238"},"PeriodicalIF":2.1,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11616152/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142781526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fatigue and recovery in ballet: Exploring the experiences of professional South African ballet dancers.","authors":"Lania-Schane Smith, Quinette Abigail Louw, Yolandi Brink","doi":"10.1186/s13102-024-01026-w","DOIUrl":"10.1186/s13102-024-01026-w","url":null,"abstract":"<p><strong>Background: </strong>Professional South African ballet dancers face a higher risk of overuse injuries and overtraining syndrome as compared to dancers from other countries; especially towards the end of a ballet season. Fatigue is a major factor leading to overtraining syndrome and injuries in professional ballet dancers. The study aimed to explore the fatigue and recovery experiences of South African ballet dancers, highlighting how they navigate these aspects and the strategies they employ for recovery.</p><p><strong>Methods: </strong>Snowball sampling was employed to recruit ten professional South African ballet dancers. Between March and June 2023, individual semi-structured interviews were conducted online using Microsoft Teams. The interview schedule, informed by previous research, delved into the dancers' fatigue and recovery experiences. Interviews were recorded, transcribed, and analysed using inductive thematic analysis.</p><p><strong>Results: </strong>Seven main themes were developed from the data. Participants distinguished between mental and physical fatigue, highlighting the impact of mental fatigue on their well-being. They identified factors contributing to fatigue, including high external pressure, motivated behaviours, and expectations from audiences and management. These contributors often resulted in injuries, mandatory breaks, and sub-optimal performance. Participants accepted fatigue as inherent to their profession, emphasising mental resilience. Recovery practices included psychological, nutritional, and active strategies. The COVID-19 lockdown provided a respite from external pressures, allowing for improved recovery, but participants faced challenges upon returning to work. Gradually increasing practice time and exposure to external pressures assisted ballet dancers in effectively managing fatigue and enhancing their recovery as they returned to work.</p><p><strong>Conclusion: </strong>This study offers a perspective of fatigue and recovery in a sample of professional ballet dancers in South Africa. It emphasises the ongoing significance of fatigue and recovery and the necessity for effective strategies by arts organisations, mental health professionals, and academic researchers to support artists. The insights gained from this research could be crucial in redesigning training programs for dancers, adjusting training intensity and volume to enhance performance, and promoting recovery. Furthermore, this information serves as a strong rationale for adopting a holistic approach to fatigue and recovery, emphasising the importance of a collaborative effort to address these aspects effectively.</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"237"},"PeriodicalIF":2.1,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11616340/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142773706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Haibin Yu, Wenjian Wu, Weihsun Tai, Jing Li, Rui Zhang
{"title":"The arch myth: investigating the impact of flat foot on vertical jump height: a systematic review and meta-analysis.","authors":"Haibin Yu, Wenjian Wu, Weihsun Tai, Jing Li, Rui Zhang","doi":"10.1186/s13102-024-01018-w","DOIUrl":"10.1186/s13102-024-01018-w","url":null,"abstract":"<p><strong>Objective: </strong>The necessity to exclude flat foot when selecting athletes is a controversial issue. This study aimed to investigate whether flat foot affects vertical jump.</p><p><strong>Methods: </strong>The quality of the literature was assessed using the observational study quality assessment tool provided by the Joanna Briggs Institute (JBI) Centre for Evidence-Based Health Care in Australia. Meta-analysis, heterogeneity testing, sensitivity analysis, subgroup analysis, and forest plot were conducted using Review Manager 5.4.</p><p><strong>Results: </strong>In the end, 9 articles met the meta-analysis criteria. Due to the heterogeneity of the studies, only vertical jump height was used as an indicator for meta-analysis. Meta-analysis results showed low heterogeneity among studies (I<sup>2</sup> = 6%, P = 0.39), and the combined effect size showed no significant difference in jumping height between flat foot and normal foot (P = 0.73, ES = 0.13, 95%CI [-0.58, 0.83]). Subgroup analyses showed no significant differences in jump heights between flat and normal foot in either the adolescent subgroup (ES = 0.07, 95% CI [-1.04, 1.18]) or the adult subgroup (ES = 0.16, 95% CI [-0.76, 1.08]). Subgroups were divided according to training background, and jump height was unaffected by flat foot in both athletes (ES = -0.08, 95%CI [-1.07, 0.90]) and amateur (ES = 0.34, 95%CI [-0.67, 1.35]).</p><p><strong>Conclusion: </strong>Overall, flat foot do not affect vertical jump height, although flat foot have different vertical jump biomechanics. This study breaks the bias that flat foot have poorer athletic performance. The meta-analysis has been registered with PROSPERO under registration number CRD42023481326.</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"236"},"PeriodicalIF":2.1,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11603910/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142752046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Núbia Maria Oliveira, Evandro Lázari, Catarina Nunes Matias, Gil Guerra-Júnior, Ezequiel Moreira Gonçalves
{"title":"Sprint and jump performance are determined by localized BIA - an ecological study in track and field adolescent athletes.","authors":"Núbia Maria Oliveira, Evandro Lázari, Catarina Nunes Matias, Gil Guerra-Júnior, Ezequiel Moreira Gonçalves","doi":"10.1186/s13102-024-01023-z","DOIUrl":"10.1186/s13102-024-01023-z","url":null,"abstract":"<p><strong>Background: </strong>Raw data obtained through bioelectrical impedance analysis (BIA) have been applied in different populations to assess body fluids and cell integrity. Assessing raw BIA parameters in specific muscles is an emerging method for evaluating muscle function. We investigated the associations of the BIA-derived variables of resistance (R), reactance (Xc) and phase angle (PhA) measured through whole-body (WB) and muscle-localized (ML) methods with performance in the countermovement jump (CMJ) and 50-meter (m) sprint.</p><p><strong>Methods: </strong>Thirty-one male track and field athletes (16.5 ± 1.6 years) were assessed. Fat-free mass (FFM) and Fat mass percentage (%FM) were determined by skinfold thickness. BIA at 50 kHz was employed to obtain the WB and ML (right thigh) parameters. The WB and ML-BIA parameters were adjusted by height (R/H, Xc/H) and segment length (R/L, Xc/L). The CMJ assessment was conducted via a contact mat; the software recorded the jump height. The 50-m sprint time was measured via two sets of photocells. Pearson's correlation and linear multiple regression were performed.</p><p><strong>Results: </strong>ML-PhA was inversely related to the 50-m sprint (β=-0.56) and by itself explained 29% of the sprint time variation. It remained a significant predictor even after adjusting for age, height, FFM and peak height velocity (PHV). ML-R/L was directly related to 50-m sprint (β = 0.48) and inversely related to CMJ performance (β=-0.54), explaining 20% and 27% of the variation in 50-m sprint and CMJ performance, respectively. Similarly, it remained a significant predictor in the adjusted models. Correlations between WB-BIA (PhA, R/H) and performance tests were found to be dependent on covariates.</p><p><strong>Conclusions: </strong>In this sample, the ML-BIA parameters of R/L and PhA were significantly associated with performance independent of age, height, FFM and PHV. Higher ML-PhA values were associated with better sprint times, whereas higher ML-R/L values were associated with worse sprint times and CMJ performance.</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"235"},"PeriodicalIF":2.1,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11603856/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142739664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The effects of combined exercises, short foot exercises, and short foot exercises with isometric hip abduction on navicular drop, static parameters, and postural sway in women with flat foot: A randomized trial.","authors":"Aftab Zarali, Zahra Raeisi, Abolfazl Aminmahalati","doi":"10.1186/s13102-024-01019-9","DOIUrl":"10.1186/s13102-024-01019-9","url":null,"abstract":"<p><strong>Background: </strong>Recent research has found that strengthening hip joint stability can considerably affect foot mechanics. The purpose of this study was to determine the effect of short foot exercises (SFEs), combined exercises (CEs), and SFEs with isometric hip abduction (IHA) on navicular drop (ND), static parameters (SP), and postural sway in women with flat foot (FF).</p><p><strong>Methods: </strong>This study recruited 45 women with flexible FF. The participants were divided into three groups: the CEs group, who performed a series of strengthening, stretching, and balancing exercises, the SFEs group, and the SFEs with IHA group. The groups carried out their assigned regimens daily for six weeks. ND, SP, and postural sway (center of pressure (CoP) parameters) were measured using the ND test and pedoscan device. The data was analysed using a repeated-measures ANOVA statistical test (p≤0.05).</p><p><strong>Results: </strong>The results showed that all three groups decreased in ND, surface, and foot rotation in the post-test compared to the pre-test (P < 0.05). No difference was observed in the maximum pressure (P = 0.616) and anteroposterior fluctuations (P = 0.065) of the CEs group. Both SFEs and SFEs with IHA groups showed a reduction in all CoP parameters. When comparing the ND (P = 0.22) and mediolateral sway (P = 0.035) of the SFEs with IHA group, a significant difference was observed compared to the CEs group. Additionally, the SFEs with IHA group had a higher percentage of changes in all variables compared to the other two groups.</p><p><strong>Conclusions: </strong>SFEs with IHA appear more effective than other training methods in reducing ND and decreasing CoP oscillations and stance parameters. Future studies should investigate the long-term effect of this exercise protocol.</p><p><strong>Trial registration: </strong>Name of the registry: Iranian Registry of Clinical Trials.</p><p><strong>Trial registration number: </strong>IRCT20220409054456N.</p><p><strong>Date of registration: </strong>28/09/2022. URL OF TRIAL REGISTRY RECORD: https://fa.irct.ir/trial/63065 .</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"233"},"PeriodicalIF":2.1,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11587706/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142717434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Associations between body mass index and physical fitness indicators among Chinese university students: a multicenter cross-sectional study.","authors":"Hanfeng Wu, Peiyi Lin, Guanghao Zeng, Feiyue Chen","doi":"10.1186/s13102-024-01024-y","DOIUrl":"10.1186/s13102-024-01024-y","url":null,"abstract":"<p><strong>Background: </strong>Increasing body mass index (BMI) has many negative effects on the physical and mental health of university students and has become a common public health problem in all countries. However, there are few studies on the association between BMI and physical fitness indicators among Chinese university students in developing countries, and the findings are inconsistent. The present study aims to analyze the association between BMI and physical fitness indicators among Chinese university students, to assist in university students' health development and intervention.</p><p><strong>Methods: </strong>In this study, we conducted a cross-sectional assessment of BMI of 29,371 university students and a cross-sectional assessment of physical fitness indicators of vital capacity, sit and reach, pull-up(boys), sit-up(girls), standing long jump, 50 m dash, 1000 m run(boys ), 800 m run(girls). One-way analysis of variance (ANOVA), Pearson's correlation analysis, and nonlinear regression modeling were used to analyze the associations that existed between BMI and various physical fitness indicators.</p><p><strong>Results: </strong>The percentages of Chinese university students in emaciated, normal, overweight, and obese were 17.8%, 65.3%, 14.9%, and 2.0%, respectively. Comparing between different BMI groups (emaciated, normal, overweight, and obesity), for boys, the effect values ranged from 1.0 to 2.0% for the items of vital capacity, sit and reach, pull-up/situp, standing long jump, 50 m dash, and 1000/800 m-run. For run events, the range of effect sizes ranged from 0.2 to 0.9; the range of effect sizes for girls also ranged from 0.2 to 0.9.</p><p><strong>Conclusions: </strong>The physical fitness level of emaciated and obese Chinese university students is generally lower than that of normal-weight students, and the relationship between BMI and physical fitness indicators shows a \"U-shape\" or \"inverted U-shape\" curve. The effect of BMI on physical fitness is more significant in boys than in university girls. In the future, targeted physical exercise and health education should be provided to emaciated and obese university students to maintain a reasonable body weight and promote the healthy development of physical fitness.</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"234"},"PeriodicalIF":2.1,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11590621/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142717507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ali Kiadaliri, Paulina Sirard, Leif E Dahlberg, L Stefan Lohmander
{"title":"Self-assessed performance-based function test versus patient-reported outcome measures for knee and hip osteoarthritis.","authors":"Ali Kiadaliri, Paulina Sirard, Leif E Dahlberg, L Stefan Lohmander","doi":"10.1186/s13102-024-01020-2","DOIUrl":"10.1186/s13102-024-01020-2","url":null,"abstract":"<p><strong>Background: </strong>Physical function constitutes a key component of outcome assessment for almost all osteoarthritis interventions. The aim was to compare physical function measured using a self-assessed performance-based test versus self-reported function using questionnaires among individuals with knee or hip osteoarthritis (OA) participating in a digital exercise and education therapy.</p><p><strong>Methods: </strong>We analysed data from individuals aged 40 + years participating in the digital program. We extracted data on the self-assessed 30-second chair stand test (30s CST) and the function subscales of Knee injury/Hip disability and Osteoarthritis Outcome Score 12 (KOOS-12/HOOS-12) at enrolment and 3- (n = 10884) and 12-month (n = 3554) follow-ups. Participants completed Numeric Rating Scale (NRS) pain, EQ-5D-5L, and an external anchor: global rating of change scale. Correlations were assessed using the Spearman correlation coefficient, responsiveness using standardized response mean (SRM) and receiver operating characteristic (ROC) curves, and agreement using weighted percent of agreement and weighted Gwet's agreement coefficient.</p><p><strong>Results: </strong>Correlations were weak between the 30s CST and KOOS-12/HOOS-12 function (r < 0.35 for raw and r < 0.20 for change scores). Correlations with NRS pain and EQ-5D-5L were stronger for the KOOS-12/HOOS-12 function subscale than for 30s CST. Greater internal (SRM > 1 vs. SRM < 0.5) and lower external responsiveness were observed for the 30s CST versus the KOOS-12/HOOS-12 function, even though external responsiveness was generally inadequate for both (the area under the ROC curves < 0.7). The direction of change was similar for the two function measures for about 70% of subjects with moderate agreement between them (weighted Gwet's agreement coefficient range 0.45 to 0.50).</p><p><strong>Conclusion: </strong>Weak correlations and moderate agreements between function measured using performance-based test and self-reported using KOOS-12/HOOS-12 in people with knee or hip OA suggest that they may capture different aspects of functional abilities in this population.</p>","PeriodicalId":48585,"journal":{"name":"BMC Sports Science Medicine and Rehabilitation","volume":"16 1","pages":"232"},"PeriodicalIF":2.1,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11580485/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142689351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}