Mark C Richardson, William Evans, Paul Chesterton, Matthew Wright
{"title":"The effects of a 6-week sand- vs. Land-based jump training programme on frontal plane knee angle and jump performance in adolescent female football players.","authors":"Mark C Richardson, William Evans, Paul Chesterton, Matthew Wright","doi":"10.1080/02640414.2025.2465946","DOIUrl":"10.1080/02640414.2025.2465946","url":null,"abstract":"<p><p>Our study investigated the effects of a six-week jump-training intervention (sand- vs land- based incorporated in a warmup), on frontal plane knee angle and jump performance of adolescent female football players. Fifty-six females were randomly allocated to either the SAND or LAND group. Thirty-nine females completed the programme twice weekly and were eligible for analysis. Two-dimensional frontal plane projection angle (FPPA), countermovement jump (CMJ) and reactive strength index (RSI) (10-5 repeated jump test) were measured 1-week pre- and post-intervention. Analysis of covariance was used to model post-intervention group differences. Compatibility curves were used to visualise parameter estimates alongside <i>p</i>- values, and surprisal (S) value transforms. Mean difference (<math><mover><mi>X</mi><mo>-</mo></mover></math>) and compatibility intervals (CI) (95|75%) for FPPA for SAND vs. LAND were <math><mover><mi>X</mi><mo>-</mo></mover></math> = 1.29° (-0.11 to 2.69°|0.49 to 2.10°) for the dominant limb, and <math><mover><mi>X</mi><mo>-</mo></mover></math> = 1.80° (0.56 to 3.04°|1.09 to 2.51°)| for the non-dominant limb. Interval estimates for jump performance were imprecise and unclear. The data indicates that including a sand surface within a jump training intervention could be beneficial when aiming to improve knee control in asymptomatic adolescent female football players, with no apparent detriment to jumping performance.<b>Clinical trials registration</b>: The trial was registered with clinicaltrials.gov prior to study recruitment (NCT04502615).</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"523-535"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143441280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chelsi Ricketts, Leapetswe Malete, Nicholas D Myers, Karin A Pfeiffer, Yuya Kiuchi, Tshepang Tshube
{"title":"Positive body image, multidimensional sport-confidence and subjective performance in Botswana athletes: The contributing role of perceived body acceptance by coaches and teammates.","authors":"Chelsi Ricketts, Leapetswe Malete, Nicholas D Myers, Karin A Pfeiffer, Yuya Kiuchi, Tshepang Tshube","doi":"10.1080/02640414.2025.2468590","DOIUrl":"10.1080/02640414.2025.2468590","url":null,"abstract":"<p><p>This study extended the Sport-Confidence Model to Botswana athletes by examining a model of associations among perceived body acceptance by coaches and teammates, positive body image, multidimensional sport-confidence (SC-physical skills & training, SC-cognitive efficiency, and SC-resilience) and performance evaluations. A purposive sample of 508 Botswana athletes (65.3% male, <i>M</i><sub>age</sub> = 25.32, <i>SD</i> = 7.10) completed survey measures in a cross-sectional design. Perceived body acceptance by coaches (<i>B</i> = 0.18, <i>p</i> = .032) and teammates (<i>B</i> = 0.16, <i>p</i> = .032) exerted direct effects on body appreciation, whereas only perceived body acceptance by teammates exerted a direct effect on functionality appreciation (<i>B</i> = 0.16, <i>p</i> = .012). While body appreciation exerted direct effects on all sport-confidence domains, functionality appreciation only exerted direct effects on SC-physical skills and training (<i>B</i> = 1.12, <i>p</i> = .034) and SC-cognitive efficiency (<i>B</i> = 0.74, <i>p</i> = .040). Of the sport-confidence domains examined, only SC-cognitive efficiency exerted a direct effect on sport performance evaluations (<i>B</i> = 0.32, <i>p</i> = .008). These findings highlight SC-cognitive efficiency as important for successful performance among Botswana athletes, alongside promoting body acceptance from coaches and teammates to nurture positive body image and facilitate multidimensional sport-confidence.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"580-592"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143492655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Felix T Leung, Hugo G Espinosa, David Rowlands, Matthew T O Worsey, Brittany Grantham, M Dilani Mendis, David V Thiel, Julie A Hides
{"title":"Relationship between the cervical spine and impacts whilst heading the ball in adolescent male soccer players.","authors":"Felix T Leung, Hugo G Espinosa, David Rowlands, Matthew T O Worsey, Brittany Grantham, M Dilani Mendis, David V Thiel, Julie A Hides","doi":"10.1080/02640414.2025.2465945","DOIUrl":"10.1080/02640414.2025.2465945","url":null,"abstract":"<p><p>There has been considerable public concern regarding the effects of repetitive head impacts associated with heading the ball in soccer. This is relevant for adolescents whose brains are undergoing rapid development. The study investigated the relationship between strength, proprioception, endurance and range of motion of the cervical spine and impacts associated with heading the ball in adolescent male soccer players. The participants were 20 skilled players aged 15-18 years. Outcome measures included questionnaires, assessments of cervical spine function (range of motion, joint position error, isometric muscle strength and endurance) and the ratio of maximum head acceleration to maximum T3 acceleration (impact ratio) during each ball impact when heading the ball. Results showed that increased range of motion of extension of the cervical spine and lower joint position error in flexion of the cervical spine were associated with higher impact ratios. Greater isometric strength of the lateral flexors was associated with lower impact ratios. Endurance of the deep neck flexors was not associated with impact ratios. Strength training may be beneficial to decrease head impacts during soccer ball heading, especially in those with increased range of motion of extension of the cervical spine.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"512-522"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143468330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lois Mackay, Thomas Sawczuk, Ben Jones, Josh Darrall-Jones, Anthony Clark, Sarah Whitehead
{"title":"The reliability of a commonly used (Catapult<sup>TM</sup> Vector S7) microtechnology unit to detect movement characteristics used in court-based sports.","authors":"Lois Mackay, Thomas Sawczuk, Ben Jones, Josh Darrall-Jones, Anthony Clark, Sarah Whitehead","doi":"10.1080/02640414.2025.2468585","DOIUrl":"10.1080/02640414.2025.2468585","url":null,"abstract":"<p><p>This two-part study evaluated the inter- and intra-unit reliability of Catapult Vector S7 microtechnology units in an indoor court-sport setting. In part-one, 27 female netball players completed a controlled movement series on two separate occasions to assess the inter- and intra-unit reliability of inertial movement analysis (IMA) variables (acceleration, deceleration, changes of direction and jumps). In part-two, 13 female netball players participated in 10 netball training sessions to assess the inter-unit reliability of IMA and PlayerLoad<sup>TM</sup> variables. Participants wore two microtechnology units placed side-by-side. Reliability was assessed using intraclass correlation coefficient (ICC), coefficient of variation (CV) and typical error (TE). Total IMA events showed <i>good</i> inter-unit reliability during the movement series (ICC, 1.00; CV, 3.7%) and training sessions (ICC, 0.99; CV, 4.5%). Inter-unit (ICC, 0.97; CV, 4.7%) and intra-unit (ICC, 0.97; CV, 4.3%) reliability for total IMA jump count was <i>good</i> in the movement series, with moderate CV (7.7%) during training. Reliability decreased when IMA counts were categorised by intensity and movement type. PlayerLoad<sup>TM</sup> (ICC, 1.00; CV, 1.5%) and associated variables revealed <i>good</i> inter-reliability, except peak PlayerLoad<sup>TM</sup> (<i>moderate</i>) and PlayerLoad<sub>SLOW</sub> (<i>moderate</i>). Counts of IMA variables, when considered as total and low-medium counts, and PlayerLoad variables are reliable for monitoring indoor court-sports players.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"555-564"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143492656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Combined face-to-face and online exercise program reduces medical expenses and medication in the Asian elderly with type 2 diabetes: A randomized controlled trial.","authors":"Haoyue Zhang, Suijun Wang, Qing Gu, Yaqi Chen, Ruixue Li, Shasha Wang, Xiangyun Liu","doi":"10.1080/02640414.2025.2460891","DOIUrl":"10.1080/02640414.2025.2460891","url":null,"abstract":"<p><p>To determine the impact of a combined face-to-face (f2f) and online training program on type 2 diabetes mellitus (T2DM) in elderly patients, a single-blinded randomized clinical trial was conducted from April 2021 to April 2023 at a tertiary public hospital in China. Participants aged 60+ were randomly allocated to intervention (n=20) and control (n=20) groups. After a six-month f2f program followed by 18 months of online guidance, intervention participants achieved significantly greater reductions in annual medical expenses (mean difference [SD], -946.39[244.75]; p=0.001), FBG (mean difference [SD], -0.64[0.20]; p=0.003), and 2hPBG (mean difference [SD], -2.68[0.87]; p=0.004) compared to the control group at 24 months. A greater proportion had reduced diabetes medications (RR,7.82; p=0.043). Self-management ability improved in the intervention group (mean difference [SD], 10.11[4.39]; p=0.028). HbA1c remained unchanged in the intervention group but increased in the control group (mean difference [SD], -0.68[0.14]; p<0.001). The combined f2f and online program reduces medical expenses and improves various health outcomes in elderly T2DM patients.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"423-430"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143425671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pedro A Latorre-Román, Juan A Párraga-Montilla, Jesús Salas-Sánchez, Alejandro Robles-Fuentes, Luis Enrique Roche-Seruendo, Manuel Lucena-Zurita, Daniel Manjón-Pozas, Pedro Consuegra-Gonzalez
{"title":"Differences in spatiotemporal running parameters in children and adolescents: A cross-sectional study.","authors":"Pedro A Latorre-Román, Juan A Párraga-Montilla, Jesús Salas-Sánchez, Alejandro Robles-Fuentes, Luis Enrique Roche-Seruendo, Manuel Lucena-Zurita, Daniel Manjón-Pozas, Pedro Consuegra-Gonzalez","doi":"10.1080/02640414.2025.2468584","DOIUrl":"10.1080/02640414.2025.2468584","url":null,"abstract":"<p><p>The aim of this study was to examine the influence of age and sex on the spatiotemporal parameters of running in children. A total of 1200 children participated in this study (aged 3-17 years), 501 females and 699 males. Participants were divided into seven age groups: 3-4 years, 5-6 years, 7-8 years, 9-10 years, 11-12 years, 13-14 years and 15-17 years. Participants ran at a comfortable and self-determined speed along a 15-m runway. The OptoGait system recorded speed, cadence and step length (variables that were also normalized in relation to height), running rate, contact phase, and flight phase. No significant sex-age interactions were found, and no significant differences were found between the sexes. Age significantly influenced all the parameters analysed. Children aged 3-6 years show the lowest values of contact time, particularly in initial contact time and toe-off time, compared to the other age groups, which additionally exhibited a higher cadence and shorter step length, even after normalization, in comparison with older children. Participants aged 13-17 years show the highest CV values for cadence and step length. In conclusion, age and running speed had a significant influence on spatiotemporal running parameters.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"544-554"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143557051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jianjun Zhang, Jinxiu Sun, Yuchuan Zhou, Lihong Gong, Sen Huang
{"title":"The effect of mindfulness training on the psychological state of high-level athletes: Meta analysis and system evaluation research.","authors":"Jianjun Zhang, Jinxiu Sun, Yuchuan Zhou, Lihong Gong, Sen Huang","doi":"10.1080/02640414.2025.2468997","DOIUrl":"10.1080/02640414.2025.2468997","url":null,"abstract":"<p><p>To investigate the impact of mindfulness training on mindfulness, psychological resilience, flow state, subjective well-being, sports anxiety, sports depression, and psychological fatigue among elite athletes through a meta-analysis. Databases like PubMed, Web of Science, and others were searched for randomized controlled trials up to October 31, 2024. Included studies compared mindfulness training interventions to non-mindfulness training in elite athletes. The outcome indicators were analyzed using Review Manager 5.4 software. Among 6917 articles, 32 studies with 1108 athletes (560 experimental, 548 control) were included. Mindfulness training significantly improved mindfulness (p<0.01), psychological resilience (p<0.05), flow state (p<0.01), sports anxiety (p<0.01), sports depression (p<0.01), and psychological fatigue dimensions (p<0.01) but not subjective well-being (p>0.05). MAC, MAIC, MBSP, and MT were effective for mindfulness. The best intervention duration was 7 weeks, with sessions lasting over 60 minutes once a week. MAC was best for psychological resilience. MBSP, MT, and MAC improved flow state. MBSP and MT alleviated anxiety, while MBSR was effective for depression. MAIC training mitigated psychological fatigue. Mindfulness training positively impacts elite athletes' psychological state, enhancing mindfulness, resilience, flow, and alleviating anxiety, depression, and psychological fatigue, but not subjective well-being. Optimal methods and durations vary by outcome.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"600-622"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143516011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gabriela Vorraber Lawson, Carlos Ugrinowitsch, Rochelle Costa, Leonardo Lamas
{"title":"Effects of different types of chronic physical activities and sports on executive functions among children and adolescents: A systematic review and meta-analysis.","authors":"Gabriela Vorraber Lawson, Carlos Ugrinowitsch, Rochelle Costa, Leonardo Lamas","doi":"10.1080/02640414.2025.2468587","DOIUrl":"10.1080/02640414.2025.2468587","url":null,"abstract":"<p><p>This meta-analysis aimed to examine the effects of various types of chronic physical activities (PA) and sports interventions on executive functions (EF) in children and adolescents, comparing the effectiveness of cognitive engagement, frequency and intensity, and combined factors. A search of PubMed, Web of Science, and PsycInfo databases identified 30 randomized clinical trials (RCTs) with 93 comparisons, exploring the impact of chronic PA on EF subdomains (working memory, inhibitory control, and cognitive flexibility). Publication bias was assessed using funnel plots and statistical indices. Results showed that cognitively enriched PA and combined interventions had statistically significant but trivial effects on EF, with considerable variability. Specific PA subtypes, such as high-frequency, high-intensity activities and coordination games, resulted in small to moderate improvements in EF. PA interventions had a small significant impact on working memory, a trivial effect on cognitive flexibility, and no effect on inhibitory control. While both qualitative and quantitative elements in PA interventions produced statistically significant effects on EF, their practical significance was limited. This limitation persisted across specific PA subtypes. The study suggests future research focus on cognitively enriched activities to explore the various qualitative elements influencing cognitive function in these subtypes.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"565-579"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143449440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kanon Uchiyama, Peter Peeling, Shona L Halson, Machar Reid, Karen Wallman, Jennifer Walsh, Simon Thomas, Olivier Girard
{"title":"Sleep architecture is altered with travel and matches in professional rugby union players.","authors":"Kanon Uchiyama, Peter Peeling, Shona L Halson, Machar Reid, Karen Wallman, Jennifer Walsh, Simon Thomas, Olivier Girard","doi":"10.1080/02640414.2025.2473150","DOIUrl":"https://doi.org/10.1080/02640414.2025.2473150","url":null,"abstract":"<p><p>Field-based athlete research has primarily focused on sleep-wake patterns, but technological advancements now enable detailed assessment of sleep architecture. This study compared sleep quantity, quality, and architecture during home (no travel; HOME) and away (eastbound travel across three time zones; AWAY) matches in professional male rugby union. The sleep of twenty athletes was assessed using home-based polysomnography over three nights per condition: two nights preceding the match (MD-2), match night (MD), and the following night after (MD + 1). Sleep duration, efficiency, onset/offset, latency, wake after sleep onset, awakenings, and sleep stages (as light, deep and rapid eye movement [REM] sleep, evaluated as proportion [%] and time [min]) were monitored. Compared to HOME, AWAY increased sleep onset latency (+12 ± 23 min; <i>p</i> < 0.01) and reduced light sleep (-6.2 ± 7.1%; <i>p</i> < 0.01). Match days (MD) incurred delayed bedtime (+71 ± 135 min; <i>p</i> < 0.001), reduced sleep duration (-94 ± 120 min; <i>p</i> < 0.05), and altered sleep architecture (deep: +9.8 ± 10.0%; REM: -6.9 ± 8.3%; both <i>p</i> < 0.05) compared to MD-2. On MD + 1, sleep duration (+96 ± 147 min; <i>p</i> < 0.01) and light and REM sleep time rebounded (+52 ± 44 min and + 39 ± 52 min, respectively; both <i>p</i> < 0.05). Travel and matches altered sleep architecture in professional rugby. Training and flight schedules should ensure sufficient sleep opportunity after travel and matchday to optimise recovery.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"1-8"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143531294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ian C Macali, Lauren Smith, Melody Dale, Erik Lind, Hilary L DeShong, Megan E Holmes
{"title":"Influences of motivation and personality on physical activity behavior: A systematic review .","authors":"Ian C Macali, Lauren Smith, Melody Dale, Erik Lind, Hilary L DeShong, Megan E Holmes","doi":"10.1080/02640414.2025.2468998","DOIUrl":"10.1080/02640414.2025.2468998","url":null,"abstract":"<p><p>Physical activity, when maintained at specific levels, offers numerous health benefits. However, contemporary trends indicate a decline in physical activity engagement. Interventions incorporating motivation and personality factors present potential methods for practitioners to enhance participation in physical activity behaviors. Both motivation and physical activity constitute psychological constructs that shape behaviors. Consequently, gaining a deeper understanding of the roles played by these constructs in either fostering or hindering physical activity is imperative. This study aims to analyze scholarly articles to identify the primary motives, personality traits, and their combined influence on physical activity behaviors. The review provides a synthesis of findings from 20 scholarly articles, delving into the intricate relationship between motivation, personality traits, and their collective impact on exercise participation and adherence. Results indicate that individuals with specific motivational and personality characteristics are more likely to demonstrate and engage in physical activity behaviors.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"623-635"},"PeriodicalIF":2.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143458329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}