Journal of Sports Sciences最新文献

{"title":"A preliminary multi-club project: Understanding player technical outcomes in European football academies training sessions.","authors":"Nick Gearing, Steve Barrett, Matt Bridge","doi":"10.1080/02640414.2025.2539597","DOIUrl":"10.1080/02640414.2025.2539597","url":null,"abstract":"<p><p>The optimisation of player development is a key area of interest for professional football academies. Considerable attention has been given to the physical outcomes of training sessions with less work on technical outcomes. Foot-mounted inertial measurement units (Playermaker) were used to track technical actions across 33,156 player-session data points from 11 European academies in five countries. Metrics included Mean Touches per player (MT), Mean Touches per player perminute (MTPM), Mean Releases per player (MR), and Mean Releases per player perminute (MRPM). Comparisons were made between opposed and unopposed training formats and across English Category 1 to 3 academies. Unopposed sessions produced higher MT (150 ± 107) than opposed sessions (98 ± 89) across all age groups. Belgian academies showed the highest technical outputs, while Norwegian and English academies had the lowest. English Category 2 and 3 clubs recorded higher MT and MR than Category 1 clubs, potentially due to more condensed weekly training schedules. Unopposed training activities result in higher MTPM and MRPM than opposed formats. Mixed training designs, incorporating both formats, are widely used across European youth academies and may support more balanced technical development.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2343-2349"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144775686","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":"Current performance and future potential of youth elite-level football players: Insights from both objective data and coach assessments.","authors":"Laurens Gilson, Eva D'Hondt, Johan Pion, Matthieu Lenoir, Frederik Deconinck, Nikki Rommers","doi":"10.1080/02640414.2025.2577487","DOIUrl":"10.1080/02640414.2025.2577487","url":null,"abstract":"<p><p>Football clubs use both objective and subjective assessments to continuously identify the most promising players and develop them towards professional athletes. This study investigated the associations between clubs' objective and subjective performance measures to gain a deeper understanding of their interplay. To this end, 331 elite youth football players (9 to 14 years) completed a test battery assessing anthropometry, physical performance, technical performance, and motor coordination. Additionally, coaches rated players' current performance and future potential using a visual analogue scale (0-100). Univariable and multivariable linear regression analysis with 95% confidence intervals were applied to explore associations between objective and subjective measures. A strong correlation emerged between performance and potential ratings (r = 0.70). Furthermore, faster sprint times, higher jumps, and better change of direction appeared to be associated with higher subjective ratings. The sprint (e.g. 30 m) was a key predictor of both performance (4.04 [1.27, 6.79]) and potential scores (6.27 [2.90, 9.63]). Players with subjective performance and potential scores above 50 or 66 outperformed those below 50 or 66 in sprint, change of direction, and jumping performance. These findings highlight a strong link between subjective ratings and objective performance. An integrated approach combining both assessment types is crucial for talent development.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2443-2456"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145345912","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":"Talent identification and development in sport: Complexity, context, and contested assumptions.","authors":"Matthew J Reeves, Adam L Kelly, Matthew Andrew, James H Dugdale","doi":"10.1080/02640414.2026.2711541","DOIUrl":"10.1080/02640414.2026.2711541","url":null,"abstract":"","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2197-2201"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148620654","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":"Youth sport and talent development policies: An umbrella review of the foundation and talent phases for future high performance.","authors":"Kari Descheemaeker, Simon Shibli, Juanita R Weissensteiner, Veerle De Bosscher","doi":"10.1080/02640414.2025.2569267","DOIUrl":"10.1080/02640414.2025.2569267","url":null,"abstract":"<p><p>Since 2016, research on youth athletic development has grown significantly, resulting in a substantial number of systematic reviews (SRs) and meta-analyses (MAs), focused notably on talent identification and development. Despite this growth, a comprehensive understanding of the key determinants that underpin effective developmental pathways for youth athletes is lacking in the academic literature. This umbrella review identifies these key determinants during the Foundation and Talent phases of youth athlete development. A systematic search across six databases (SportDiscus, Scopus, Web of Science, Eric, Embase, and PubMed) identified 60 relevant SRs and MAs. An inductive-deductive content analysis approach was used to integrate findings within the first two phases (Foundation and Talent) of the FTEM (Foundation, Talent, Elite, and Mastery) framework. The analysis revealed eight overarching determinants and 44 phase-specific determinants. Integration of these results with previously published youth sport guidelines informed nine key evidence-based recommendations for youth sport and talent development policies. These recommendations provide guidance for designing more effective and sustainable systems to support the development of future athletic talent.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2218-2250"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145426902","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":"Psychosocial aspects of release in youth and developing athletes: A systematic review.","authors":"Thomas Ryan McGlinchey, Nathan S Wood, Chris Saward, Laura C Healy, Mustafa Sarkar","doi":"10.1080/02640414.2025.2604953","DOIUrl":"10.1080/02640414.2025.2604953","url":null,"abstract":"<p><p>Release from sports teams, organisations and talent development programmes has been shown to have a number of effects on youth and developing athletes and their subsequent transition. The aim of this study was to systematically review, synthesise, and appraise research on release that has been conducted around youth and developing athletes. Specifically, this review aimed: (i) to examine psychosocial impacts of release; (ii) to examine factors related to adaptation to release; and (iii) to examine available resources for adaptation to release. Following a systematic search of six electronic databases and manual searches, a total of 15 studies that met the eligibility criteria were included in the final review. The studies included athletes from a variety of sports who were aged between 5 and 21 years, or athletes who were still part of a talent development programme. Although each of the included studies reported released athletes experiencing negative psychosocial impacts, positive psychosocial impacts were also identified in some studies. This review identified consistent links between factors and resources related to athletes' adaptation to release and how they influence the psychosocial impacts experienced by released athletes. Applied implications for athletes, coaches, and other stakeholders involved in the release process have been provided.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2509-2532"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145804765","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":"Principles of talent identification in sport: The Talent Identification and Development Environments in Sport (TIDES) Society position statement.","authors":"Adam L Kelly, Kathryn Johnston, Kevin Till, Alexander B T McAuley, Matthew J Reeves, James H Dugdale, Matthew Andrew, Laura Finnegan, Russell Martindale, Till Koopman, Paul Larkin, Viswanath B Unnithan, Ruud J R Den Hartigh, Oliver Höner, Jörg Schorer, Irene Faber, Tom L G Bergkamp, Jan Verbeek, Alberto Lorenzo Calvo, Paolo Riccardo Brustio, Philip E Kearney, Alex Lascu, Svenja Wachsmuth, Fieke Rongen, Simon Roberts, André Roca, William McCalman, Kyle J M Bennett, Amanda Partington, Henry Titley-Wall, Rich Kite, Daniel Fortin-Guichard, John Francis, Sam Barraclough, Fynn Bergmann, Daniel Leyhr, Tom Mitchell, Alliance Kubayi, Ed Hope, Sam Alder, Patrick Mannix, Andrew Triggs, Youssif Maximos, Kevin Braybrook, Gabriele Morganti, Pat Oakes, Barnaby Sargent Megicks, Kieren Elder, Ilse Petra Peringa, Michael King, Mirelle van Rijbroek, John Lind, Connor McGillick, Andy Cain, Israel Teoldo da Costa, Joseph Baker","doi":"10.1080/02640414.2026.2705709","DOIUrl":"10.1080/02640414.2026.2705709","url":null,"abstract":"<p><p>With growing evidence in the field of talent identification in sport, policy makers and practitioners are left with a broad range of theoretical and practical considerations. As sport necessitates answers, and often quickly, creating a list of evidence-informed principles for ethical and athlete-centred talent identification is needed. As such, 56 researchers and practitioners from the Talent Identification and Development Environments in Sport (TIDES) Society met to establish a working group and discuss, debate and identify guiding principles that are believed to influence talent identification in sport. A formal online meeting was held to openly discuss ideas and suggestions that were captured through video/audio recordings and note taking. A final list of 13 principles were centred on (a) health and well-being, (b) sociocultural influences and sport-specific context, (c) language and terminology, (d) timing and efficiency, (e) entry and exit points, (f) heuristics and biases, (g) objectivity and subjectivity, (h) shared mental models, (i) inter- and trans-disciplinary teams and (j) education and reflection. The TIDES Society suggests using these 13 principles to guide conversations when making decisions about ways to structure and practice talent identification, with the hopes of making more effective, efficient, and ethical talent identification environments.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2202-2217"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148794744","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":"'Train less and still similarly improve?' Maturational growth is more influential than training engagement on performance indices development in volleyball.","authors":"Stephen Cobley, Marie Javet, Shaun Abbott, Caitlin Fox-Harding, Stephen Bested, Daniel Hackett, Michael Romann","doi":"10.1080/02640414.2025.2496098","DOIUrl":"10.1080/02640414.2025.2496098","url":null,"abstract":"<p><p>Identifying factors which more or less account for performance improvement during developmental stages is essential for sports science knowledge and coaching practice. Accordingly, this study examined the longitudinal, changing, influences of Volleyball-specific Training Engagement (VTE) and Maturity Status on physical test performance development. Participants were <i>N</i> = 139 Swiss female competitive volleyball players, aged 10-14 years at baseline (<i>M</i> = 12.93, <i>SD</i> = 1.15 years). Annually for 3 years, participants completed the 9-3-6-3-9 Agility Sprint; Standing Long Jump [SLJ] and Jump & Reach test. Linear Mixed Models (LMMs) examined longitudinal independent and interactive relationships between VTE (hours/week) and Maturity Status (YPHV) with test performance indices. LMMs identified both interactive and independent relationships on test indices. Interactions highlighted the influence of VTE generally reduced during peak-post maturational stages (- 0.5-2.5 YPHV), while maturational growth was predominantly more influential on performance development. Findings identified that lowered weekly VTE during maturational peak-post growth periods led to equivalent performance development. With maturational growth more influential, findings highlight the potential to misattribute longitudinal performance development toward training engagement and question the benefit of heightened physiological-focused engagement circa-post PHV stages. However, such questioning may not necessarily apply to skill acquisition or technical-focused training.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2419-2428"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144026528","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":"No solutions, only trade-offs: An exploration of contextual factors influencing rugby union talent development environments.","authors":"A Shelley, Á MacNamara, S Behan, N McCarthy, B Jones, J Taylor","doi":"10.1080/02640414.2025.2486884","DOIUrl":"10.1080/02640414.2025.2486884","url":null,"abstract":"<p><p>Talent development environments (TDEs) strive to develop junior athletes towards senior elite performance, however, are subject to a range of contextual factors influencing their operations. This study aimed to investigate the influence of contextual factors on efficiency and effectiveness across all English rugby union men's academies. Fourteen focus groups were conducted, one for each academy. Underpinned by pragmatic research philosophy, focus group discussions were analysed via reflexive thematic analysis. Analysis led to the generation of four themes to explain the impact of contextual factors: \"multiple loosely connected concurrent environments\", \"regulation drives practice\", \"organisational influences\" and \"searching for bang for buck\". Findings suggest complex interactions between a network of individuals and organisations, both internal and external to the structure of the talent system. In this context, it seemed inadequate to only consider the role of a single TDE. Overall, results reflect contextual and resource challenges constrain practice within English rugby union academies. In practice, we suggest the need to consider the tension of regulation to enhance minimum standards, against the increased autonomy that may result from flexibility of regulation to facilitate enhanced efficiency and effectiveness.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2300-2311"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143795693","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":"Talent development in tennis: A qualitative study of emerging regions.","authors":"Miguel Crespo, Christine Nash, Rafael Martínez-Gallego","doi":"10.1080/02640414.2025.2570061","DOIUrl":"10.1080/02640414.2025.2570061","url":null,"abstract":"<p><p>Talent identification and development are fundamental processes for cultivating high-performance athletes in sport. However, these processes remain insufficiently understood in regions such as the Middle East, Africa, Latin America, the Caribbean, Pacific Oceania, and Asia. These areas often face challenges including limited infrastructure, resource constraints, and sociocultural barriers, which complicate the identification and nurturing of emerging talent. This study employs a qualitative approach, drawing on insights from semi-structured interviews with a sample composed of the ten development officers from the International Tennis Federation (ITF) who are based in these regions. Reflective thematic analysis was used to identify four key factors: structures and systems, economic challenges, access, and support influencing the effectiveness of developmental systems. By examining the nuanced interactions between these factors, the study identifies key obstacles and facilitators within these regions. The findings offer practical recommendations to improve talent pathways and ensure a more equitable distribution of opportunities. This work contributes to ongoing discussions in sports science, emphasising the need for inclusive and context-sensitive approaches to athlete development in underrepresented areas of the global tennis landscape.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2589-2599"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145251302","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":"Longitudinal development and physical performance in young judo athletes: The influence of maturation and training.","authors":"Marina Saldanha da Silva Athayde, Rafael Lima Kons, Emerson Franchini, Emanuela Pierantozzi, Daniele Detanico","doi":"10.1080/02640414.2025.2569229","DOIUrl":"10.1080/02640414.2025.2569229","url":null,"abstract":"<p><p>This longitudinal study examined how biological maturation and judo training influence body size, composition, and physical performance in young male and female judo athletes over a 10-month period. Twenty-three Brazilian judo athletes aged 12-17 participated, with measurements taken at baseline, 5 and 10 months. Athletes underwent body size and composition assessments, as well as physical tests, including handgrip strength (HGS), standing long jump (SLJ), medicine ball throw (MBT), and judo-specific evaluations. A repeated-measures ANOVA was conducted to assess changes over time, considering anthropometric and physical performance variables with a significant level set at p < 0.05. Main results showed significant changes in body size variables (p < 0.001) and physical performance over time (p = 0.004 - p < 0.001). In general, most gains in physical performance were attributed to maturational development in young judo athletes. By tracking growth spurts and changes in body composition, coaches can make more informed decisions when identifying talent and adjusting training programs.</p>","PeriodicalId":17066,"journal":{"name":"Journal of Sports Sciences","volume":" ","pages":"2392-2403"},"PeriodicalIF":3.1,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145286462","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}