Frontiers in Sports and Active Living最新文献

{"title":"Muscle fascicle length adaptations to high-velocity training in young adults with cerebral palsy.","authors":"Tessa L Gallinger, Brian R MacIntosh, Jared R Fletcher","doi":"10.3389/fspor.2025.1558784","DOIUrl":"https://doi.org/10.3389/fspor.2025.1558784","url":null,"abstract":"<p><strong>Introduction: </strong>In individuals with Cerebral Palsy (CP), both muscle cross-sectional area and fascicle length are reduced, contributing to decreased muscle strength, muscle shortening velocity and muscle mechanical power output, particularly in the plantarflexor muscles. A proposed mechanism to target increased muscle mechanical power output is to incorporate high velocity training (HVT) in these individuals, to increase fascicle length via sarcomerogenesis. To determine the effects of HVT on changes in MG muscle fascicle length and that impact on changes to MG muscle force-length-velocity-power characteristics in young adults with CP.</p><p><strong>Methods: </strong>12 young adults with CP (GMFCS I or II, 22.8 ± 6.0 years) were randomly allocated (some crossover) to no training (CP-NT, <i>n</i> = 8), or training (CP-T, <i>n</i> = 8). 10 recreationally trained healthy adults (HA, 22.5 ± 2.8 years) served as controls. CP-T performed 10-week training of biweekly sessions consisting of progressive intensity 10 m sprints, plyometrics and agility tasks. Triceps surae muscle force-power-velocity relationships were quantified with isokinetic dynamometry and ultrasound imaging. Data are expressed relative to pre-intervention values.</p><p><strong>Results: </strong>HVT resulted in a significant increase in fascicle length in CP-T (+1.92 ± 3.21 mm, <i>p</i> < 0.005) compared to a significant decrease in CP-NT (-1.63 ± 3.00 mm, <i>p</i> < 0.013). While HVT did not result in significant changes in maximal shortening velocity (V_max) or maximal peak power output (P_max), a large effect size for v_max following training in CP-T was seen (+45.2 ± 76.4%, <i>d</i> = 0.909, <i>p</i> = 0.452), in contrast to CP-NT (+2.9 ± 70.5%, <i>d</i> = 0.059, <i>p</i> = 1.00). HVT also resulted in a very large effect for P_max in CP-T (+35.0 ± 49.1%, <i>d</i> = 1.093, <i>p</i> = 0.232), but only a small effect was observed in CP-NT (+7.8 ± 49.1%, <i>d</i> = 0.245, <i>p</i> = 1.00). HA had significantly greater P_max (<i>p</i> < 0.001), longer resting and active fascicle lengths (<i>p</i> < 0.001) and greater muscle force (<i>p</i> < 0.001), compared to CP-T.</p><p><strong>Discussion: </strong>HVT is a feasible training intervention to increase triceps surae muscle fascicle length in individuals with CP. HVT can partially mitigate losses in P_max in CP compared to healthy adults. Longer HVT programs may be required to increase muscle mechanical power output in CP to levels observed in HA.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1558784"},"PeriodicalIF":2.3,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12106427/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144158223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Music as an ergogenic aid in team sports: a systematic review.","authors":"Eduard Bezuglov, Timur Vakhidov, Elizaveta Kapralova, Georgiy Malyakin, Mikhail Vinogradov, Sergey Chyogin, Mikhail Butovskiy","doi":"10.3389/fspor.2025.1514756","DOIUrl":"https://doi.org/10.3389/fspor.2025.1514756","url":null,"abstract":"<p><strong>Objectives: </strong>Enhancing physical performance and improving load tolerance through safe methods is a priority for most athletes. One potentially beneficial approach is listening to music, which exerts positive effects through various mechanisms. This study aims to investigate the influence of music on athletic performance and endurance, focusing specifically on its potential as an ergogenic aid in team sports-an area that has received less attention compared to individual sports.</p><p><strong>Methods: </strong>To examine the effects of music on physical performance and load tolerance in team sports athletes, we conducted a systematic search for original English-language articles in PubMed, Mendeley, and the Cochrane Library from inception to June 2024, following PRISMA guidelines.</p><p><strong>Results: </strong>The search identified eight studies that met the inclusion criteria, involving 140 participants from football, volleyball, and basketball. All studies demonstrated a low risk of bias. None of the studies included elite adult international-level athletes. The analysed parameters included peak power, sprint and jump performance, maximal oxygen consumption, repeated sprint ability, change of direction, and load tolerance indicators such as heart rate, rating of perceived exertion (RPE), and fatigue index. Most studies demonstrated a significant positive effect of music on these parameters; however, the protocols for music accompaniment were not standardised.</p><p><strong>Conclusion: </strong>The findings suggest that music can positively impact both physiological and psychological factors, though its application in team settings requires further investigation. Given its safety and accessibility, music may serve as a valuable tool for enhancing performance in various sporting contexts. Future studies should include more detailed information on music usage protocols and involve larger sample sizes, particularly including adult elite athletes.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1514756"},"PeriodicalIF":2.3,"publicationDate":"2025-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12106366/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144158224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The talent project and the validation of standards for the identification of student-athlete talent.","authors":"Domenico Savio Salvatore Vicari, Antonino Bianco, Martina Albanese, Laura Capranica, Mojca Doupona, Epameinondas Koutavelis, Georgia Alexandrou, Olia Tsivitanidou, Tea Gutović, Ivica Zelić, Dražen Čular, Dino Mujkic, Siniša Kovač, Damira Vranesic-Hadzimehmedovic, Zoran Milanović, Nenad Stojiljković, Nemanja Stanković, Ana Kezić","doi":"10.3389/fspor.2025.1580625","DOIUrl":"https://doi.org/10.3389/fspor.2025.1580625","url":null,"abstract":"<p><strong>Introduction: </strong>The aim of the TALENT project is to promote equality in education, prevent exclusion, support dual careers (sport and school), create new role models for the benefit of young talents and prepare them for lifelong learning and professional sport from an early age. It is promoted by a European consortium of 7 partner institutions and runs from December 2022 to May 2025. It consists of five work packages. In the first work phase, developing the WP2 (from December 2022 to October 2023), under the coordination of UNIPA, NIS University, KMOP and EAS standards for talent recognition were identified and validated.</p><p><strong>Methods: </strong>Initially, 12 focus groups were conducted with teachers (77 teachers) and coaches (73 coaches) on creating talent identification standards; subsequently, workshops were held with dual career experts to validate these standards. This was a key piece of work that enabled the establishment of clear guidelines and protocols to identify and support talented young people in their dual careers.</p><p><strong>Results: </strong>A final list of 41 shared statements was identified: 20 related to teachers and 21 related to coaches. For example, teachers emphasized the need for multidisciplinary approaches and early identification of talent, while coaches underlined the importance of psychological readiness and collaboration with schools and families.</p><p><strong>Discussion: </strong>These statements not only provide structured reference points for talent identification but also highlight actionable needs across educational and sport systems. As such, they represent a solid foundation for developing standard operating procedures in talent recognition and dual career support.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1580625"},"PeriodicalIF":2.3,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12104190/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144150285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characteristics and perceived suitability of artificial intelligence-driven sports coaches: a pilot study on psychological and perceptual factors.","authors":"Carlo Dindorf, Jonas Dully, Eva Bartaguiz, Tessa Menges, Claudia Reidick, Johann-Nikolaus Seibert, Michael Fröhlich","doi":"10.3389/fspor.2025.1548980","DOIUrl":"https://doi.org/10.3389/fspor.2025.1548980","url":null,"abstract":"<p><strong>Introduction: </strong>Access to human sports coaches is often limited by financial and logistical barriers, leading to disparities in the availability of high-quality coaches. Artificial intelligence (AI) coaches powered by Large Language Models (LLMs) might offer promising means to augment human coaches by supporting or autonomously performing specific coaching tasks within targeted domains. This study investigated AI coaches' associated attributes and perceived suitability in training contexts by addressing three primary questions: (A) Which attributes on a semantic differential scale effectively describe the dimensions of AI coaches in the context of training support? (B) Do participants with varying perceptions of AI suitability for their training practices differ in the attributes they associate with AI coaches, as measured by a semantic differential scale? (C) Do different individual achievement motives (AMS)-Sport influence the perception of AI coaches' suitability?</p><p><strong>Methods: </strong>The study comprised two parts. The first involves the development of a semantic differential scale to quantify the perceptions of AI coaches and an analysis of how different AI coach personalities, designed using an LLM, are perceived concerning their training suitability and how achievement motives influence these perceptions. Six distinct AI coach personalities were created to reflect the diverse coaching styles.</p><p><strong>Results: </strong>Factor analysis revealed four key dimensions of AI coach attributes: <i>knowledge transfer</i>, <i>goal-oriented persistence</i>, <i>appreciation and recognition</i>, and <i>motivational support</i>. The results indicated that coaches rated as more suitable exhibited supportive traits, such as motivation and goal orientation, compared to those rated less suitable. Participants with a lower Fear of Failure (FoF) also tended to rate AI coaches as more appropriate.</p><p><strong>Conclusion: </strong>These findings underscore the importance of aligning AI coaches' characteristics with their motivational profiles to improve user engagement.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1548980"},"PeriodicalIF":2.3,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12104278/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144150283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Camera-based mobile applications for movement screening in healthy adults: a systematic review.","authors":"Inaam El-Rajab, Thomas J Klotzbier, Heide Korbus, Nadja Schott","doi":"10.3389/fspor.2025.1531050","DOIUrl":"10.3389/fspor.2025.1531050","url":null,"abstract":"<p><strong>Background: </strong>In recent years, the proliferation of mobile applications in the health and fitness sector has been rapid. Despite the enhanced accessibility of these systems, concerns regarding their validation persist, and their accuracy remains to be thoroughly evaluated compared to conventional motion analysis methodologies. Furthermore, there is a paucity of evidence regarding real-time feedback and movement quality assessment. Consequently, this systematic review aims to evaluate the current state of camera-based mobile applications for movement screening in healthy adults, focusing on specific types of movement.</p><p><strong>Methods: </strong>A systematic literature search was conducted in four databases-PubMed, ScienceDirect, Web of Science, and IEEE Xplore-covering the period from 2000 to 2024. The search strategy was based on key terms related to four main concepts: screening, mobile applications, cameras, and physical activity. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed. The study was registered <i>a priori</i> on PROSPERO (Registration ID: CRD42023444355) to ensure transparency and prevent selective reporting of outcomes.</p><p><strong>Results: </strong>Of the 2,716 records initially identified, eight studies met the specified inclusion criteria. The studies were primarily concerned with fitness exercises, gait analysis, and sport-specific movements. Some studies demonstrated high reliability compared to gold standard systems, while others reported technical limitations such as camera positioning and data interpretation issues. Feedback mechanisms varied, with many applications lacking personalized real-time correction.</p><p><strong>Conclusion: </strong>Despite the potential of smartphone-based movement screening applications, particularly their accessibility and affordability, challenges remain regarding accuracy and user feedback. Precise measurements comparable to established methods are crucial for application-oriented camera-based movement screening. Equally important are improving real-time feedback, expanding the types of movement that can be assessed, and ensuring broad applicability across different populations and environments to ensure sustainable use of application-based movement screening.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1531050"},"PeriodicalIF":2.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12098270/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144141854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Gastrocnemius activation deficits and running biomechanics after anterior cruciate ligament reconstruction: the missing link?","authors":"Florian Forelli, Ayrton Moiroux-Sahraoui, Jean Mazeas, Anais Pengue Koyi, Mouna Labib, Adrien Cerrito","doi":"10.3389/fspor.2025.1594247","DOIUrl":"10.3389/fspor.2025.1594247","url":null,"abstract":"<p><strong>Background: </strong>Return to running (RTR) after anterior cruciate ligament reconstruction (ACL-R) remains challenging due to persistent neuromuscular deficits. This study examines gastrocnemius activation and running biomechanics in ACL-R patients.</p><p><strong>Methods: </strong>Fifteen ACL-R patients and fifteen healthy controls were assessed using surface electromyography during isometric testing and treadmill running (10 km.h^-1). Spatiotemporal parameters, including ground contact time, flight time, step width, cadence, stride length, and vertical stiffness, were analyzed.</p><p><strong>Results: </strong>ACL-R patients exhibited lower gastrocnemius activation during isometric testing (medial: 48.5% vs. 55.9% MVIC, <i>p</i> = 0.01; lateral: 42.1% vs. 47.5% MVIC, <i>p</i> = 0.03) and during running (medial: 45.2% vs. 53.1% MVIC, <i>p</i> < 0.01; lateral: 39.7% vs. 44.8% MVIC, <i>p</i> = 0.04). They also demonstrated altered running biomechanics, including longer ground contact time (0.29 vs. 0.26 s, <i>p</i> = 0.02, <i>d</i> = - 0.5), shorter stride length (1.32 vs. 1.41 m, <i>p</i> = 0.03, d = 0.9), reduced vertical stiffness (21.8 vs. 25.6 kN.m^-1, <i>p</i> = 0.03, <i>d</i> = 0.5), and slightly increased step width (0.14 vs. 0.13 m, <i>p</i> = 0.05, <i>d</i> = 0.4). A significant negative correlation was observed between medial gastrocnemius activation during running and ground contact time (rs = -0.56, <i>p</i> = 0.02, ES = -0.6). Lateral gastrocnemius activation was positively correlated with stride length (r<i>s</i> = 0.49, <i>p</i> = 0.03, ES = 0.5), and medial gastrocnemius activation showed a moderate positive correlation with vertical stiffness (rs = 0.52, <i>p</i> = 0.04, ES = 0.5). Cadence did not show a statistically significant correlation with either medial or lateral gastrocnemius activation (rs = 0.36, <i>p</i> = 0.08, ES = 0.4 and rs = 0.45, <i>p</i> = 0.09, ES = 0.4, respectively).</p><p><strong>Conclusion: </strong>Gastrocnemius dysfunction persists after ACL-R, affecting running mechanics. These findings suggest that current rehabilitation protocols may need to incorporate plantar flexor training to optimize running mechanics post-ACL-R.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1594247"},"PeriodicalIF":2.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12098566/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Walking gait biomechanics in individuals with quadriceps tendon autograft anterior cruciate ligament reconstruction.","authors":"Kate Pfile, Bennett Prosser, Harris Slone, Michelle McLeod, Chris Gregory, Jennifer Hunnicutt","doi":"10.3389/fspor.2025.1546297","DOIUrl":"10.3389/fspor.2025.1546297","url":null,"abstract":"<p><strong>Introduction: </strong>Walking is a vital movement, corresponding to physical activity, health, and independent living. Persistent abnormal lower extremity kinetics and kinematics during walking may influence long-term joint health. Anterior cruciate ligament (ACL) injuries are common sport-related knee joint injuries resulting in short- and long-term dysfunctional movement patterns. Re-establishing normal gait biomechanical patterns following ACL reconstruction (ACLR) is a universal long-term rehabilitative goal and indicator of restored function. The use of the quadriceps tendon (QT) graft technique by orthopedic surgeons is increasing and growing evidence suggests it's viable for ACLR. However, no information is available examining walking gait biomechanics in QT-ACLR patients. Our study evaluated three-dimensional hip and knee joint biomechanics during the stance phase of walking gait in patients with QT-ACLR by comparing the ACLR and nonsurgical limbs. We hypothesized hip and knee joint biomechanics will differ between the QT-ACLR and nonsurgical limbs during the stance phase of gait.</p><p><strong>Methods: </strong>We recruited a convenience sample of 14 patients with unilateral QT-ACLR ∼11 months post-surgery from an orthopedic surgery clinic. Three-dimensional hip and knee kinematics and kinetics and vertical ground reaction force were assessed while participants walked at self-selected speeds. Data were time-normalized from 0%-100% (% stance phase), and ACLR and nonsurgical limbs were compared using curve analyses with 95% confidence intervals. Cohen's d effect sizes identified clinical differences between limbs.</p><p><strong>Results: </strong>The ACLR limb was significantly different from the nonsurgical limb for knee flexion angle (1%-8% and 58%-85%), knee flexion moment (14%-23%), hip flexion moment (60%-67%), knee adduction angle (9%-32%, 92%-100%), knee adduction moment (53%-81%), hip frontal plane angle (0%-100%), hip abduction moment (31%-35% and 71%-76%), knee external rotation angle (0%-100%), knee internal rotation moment (55%-84%), hip transverse plane angle (20%-39% and 88%-100%), and hip internal rotation moment (56%-88%). All significant findings had large effect sizes (<i>d</i> > 0.8).</p><p><strong>Discussion: </strong>Three-dimensional biomechanical gait alterations are present at the knee and hip following QT-ACLR when comparing between limbs. This pattern is consistent with other ACLR graft types. Participants demonstrated gait patterns associated with quadriceps avoidance and reduced proximal forces during the loading response and terminal stance phases. Rehabilitation and functional movement programs should target these deficits.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1546297"},"PeriodicalIF":2.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12100749/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Physical activity level and sport participation in association with academic achievement in physical education among adolescents.","authors":"Ruben Vist Hagen, Monika Haga, Ole Johan Sando, Håvard Lorås","doi":"10.3389/fspor.2025.1564984","DOIUrl":"10.3389/fspor.2025.1564984","url":null,"abstract":"<p><strong>Introduction: </strong>Physical education (PE) teachers' assessment practices and frequently applied teaching content suggest that pupils' academic achievement in PE may be influenced by individual differences in pupil-related factors such as leisure-time physical activity levels and sport participation. Although physical activity could be considered an inherent part of PE, neither of these factors are explicit assessment criteria in the Norwegian PE curriculum. Hence, the current study aimed to investigate the association between leisure-time physical activity levels and sport participation (e.g., team ball, endurance, aesthetic, and strength sports) on academic achievement in PE for pupils attending lower secondary school (13-16 years).</p><p><strong>Methods: </strong>A total of 169 boys, 174 girls, and 6 who identified as other gender (<i>N</i> = 349) participated in the study. The pupils answered an online questionnaire to collect data on their last-received grade in PE, as well as different questionnaire items from the Young-HUNT study related to leisure-time physical activity and sport participation.</p><p><strong>Results: </strong>The main analysis, via stepwise regression, revealed that a greater frequency of pupils' leisure time physical activity and participation in endurance type and team/ball sports was significantly associated with a better grade in PE. The pupils who attended PE and similar subjects more frequently were also significant predictors in the regression model. The final mediation analysis indicated that participation in endurance type and team/ball sports mediated the relationship between the frequency of leisure-time physical activity and the grade in PE.</p><p><strong>Discussion: </strong>The results are discussed in relation to the Norwegian PE curriculum, indicating a misalignment between learning outcomes and teachers' assessment and grading practice.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1564984"},"PeriodicalIF":2.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12098555/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Metronome-guided training accelerates the adaptation to an aerobic training pace in swimming.","authors":"Marco Fassone, Luca Puce, Monica Biggio, Laura Avanzino, Marco Bove, Ambra Bisio","doi":"10.3389/fspor.2025.1588758","DOIUrl":"10.3389/fspor.2025.1588758","url":null,"abstract":"<p><p>Swimmers often use metronomes during training, but their effectiveness in learning a new swimming pace is unclear. Adapting motor skills to new timing is complex and occurs in stages. This study investigated these stages by assessing the ability of swimmers to reproduce a learned pace without a metronome. In total, 24 participants were divided into two groups. The main group completed 4 days of training/testing and 3 follow-up days. Each training day included a 100 m front crawl trial without a metronome, followed by three 2 × 100 m training sets with metronome synchronization and a further 100 m test without the metronome. The performance measures were total 100 m time, 25 m lap times, temporal errors over 100 m (Err100) and 25 m (Err25), and the coefficient of variation of Err25 (CV). The control group followed the same protocol, but only for 2 days. Results showed that in the main group, Err100, Err25, and CV improved after the first training day and remained consistent throughout the week. Notably, Err25 and CV improvements persisted up to 10 days post-training. The control group showed no improvement after 2 days. These results suggest that metronome-guided training effectively helps swimmers adapt their pace to new motor timing, with effects lasting up to 10 days.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1588758"},"PeriodicalIF":2.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12098552/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing table tennis performance and physical fitness through digital technology: a quasi-experimental study based on the TPACK framework.","authors":"Dongfang Xie, Baibing Chen, Hong Li, Qiwei Huang","doi":"10.3389/fspor.2025.1595455","DOIUrl":"10.3389/fspor.2025.1595455","url":null,"abstract":"<p><p>Educational digitization has made integrating digital technology into physical education a pivotal strategy for transforming pedagogy. Guided by the Technological Pedagogical Content Knowledge (TPACK) framework, this study addresses two challenges in Chinese university physical education: the lack of evidence-based research on technology integration, and the decline in student physical fitness alongside the waning effectiveness of traditional table tennis instruction. We propose a \"3 + 1\" digital teaching model integrating multimedia, virtual reality (VR), augmented reality (AR), and artificial intelligence (AI) into a cohesive curriculum, aiming to enhance students' physical fitness and table tennis proficiency. We employed a sequential explanatory mixed-methods design. Initially, a survey of 1,200 undergraduates enrolled in elective table tennis courses across 10 universities in Guangxi, China, assessed instructional needs. Subsequently, a 16-week quasi-experimental study involving 270 students from Guangxi University (experimental group, <i>n</i> = 135; control group, <i>n</i> = 135) was conducted. While the control group maintained traditional instruction, the experimental group utilized the \"3 + 1\" digital curriculum. Pre- and post-intervention evaluations included quantitative assessments of table tennis skills and cardiovascular endurance, complemented by qualitative data from observations and student interviews. Quantitative results demonstrated significant improvements in the experimental group, with a 15% greater improvement in table tennis skills (<i>p</i> < 0.01) and a 10% higher increase in cardiovascular endurance (<i>p</i> < 0.05) compared to the control group. Qualitative analysis highlighted the experimental group's increased acceptance of technology, heightened engagement, deeper immersion, and enhanced motivation and interest in table tennis practice. These results confirm that the digitally empowered teaching model effectively enhances university students' physical fitness and athletic performance. Integrating TPACK-based pedagogical strategies with advanced digital tools, this approach offers substantial theoretical and practical implications for the reform of university physical education. Additionally, the study aligns with the United Nations Sustainable Development Goal 4 (Quality Education) by promoting innovative sports pedagogy. Future research should broaden the participant diversity and explore digital technology applications across additional sports disciplines to facilitate comprehensive digitization in physical education.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1595455"},"PeriodicalIF":2.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12098347/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144142143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}