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The relative age effect and the relationship between biological maturity and athletic performance in Austrian elite youth soccer players. 奥地利优秀青少年足球运动员的相对年龄效应及生理成熟度与运动成绩的关系。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-17 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1583880
Mirko Wenger, Robert Csapo
{"title":"The relative age effect and the relationship between biological maturity and athletic performance in Austrian elite youth soccer players.","authors":"Mirko Wenger, Robert Csapo","doi":"10.3389/fspor.2025.1583880","DOIUrl":"https://doi.org/10.3389/fspor.2025.1583880","url":null,"abstract":"<p><strong>Purpose: </strong>Publications from recent years suggest that the biological developmental stage of underage athletes has a significant impact on their athletic performance. This scientific study is the first quantitative attempt in Austria to investigate the impact of the relative age effect and biological maturity on the physical performance of young elite soccer players.</p><p><strong>Methods: </strong>Birth data from a total of 98 male players in the U13 to U18 age groups of a first-division Austrian soccer club were collected. By measuring height, sitting height and body mass, the individual biological age was calculated using the Mirwald equation. The athletes underwent a standardized battery of tests, which included assessments of speed, strength and endurance.</p><p><strong>Results: </strong>The results indicate a significant effect of the relative age effect on player selection in the U14 and U15 teams (<i>p</i> < .05), which diminishes with increasing player age. Compared to typical Austrian adolescents of similar age, U13, U14 and U15 players demonstrate a higher level of biological maturity (<i>p</i> < .05). Correlational analyses revealed that the maturity offset, reflecting the time before or after the greatest individual growth spurt, was positively related to eccentric hamstring strength (<i>r</i> = 0.82) and vertical jumping ability (<i>r</i> = 0.61) and positively related to sprint performance over 5, 10 and 20 m (0.62 < <i>r</i> < 0.69; all <i>p</i> ≤ .001).</p><p><strong>Conclusion: </strong>Biological maturity and the associated anthropometric adaptations are decisive for athletic performance. The study supports the notion that biologically more mature players achieve better athletic performance than less mature players, especially before the onset of puberty.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1583880"},"PeriodicalIF":2.3,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12043890/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144013107","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}
引用次数: 0
The yips: an investigation of the causes and treatments in the context of golf. 在高尔夫球的背景下的原因和治疗的调查。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-17 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1563370
Kian-Taj Claire Afrassiabian, Bisundev Mahato, Ulrick Vieux, Nikhil Palekar
{"title":"The yips: an investigation of the causes and treatments in the context of golf.","authors":"Kian-Taj Claire Afrassiabian, Bisundev Mahato, Ulrick Vieux, Nikhil Palekar","doi":"10.3389/fspor.2025.1563370","DOIUrl":"https://doi.org/10.3389/fspor.2025.1563370","url":null,"abstract":"<p><strong>Aim: </strong>When a skill is lost, this can impact a person's career and psychological wellbeing. As this is the case with the yips, preventing, treating, and curing them is important. This study was prompted by the limited information available on the yips, specifically regarding etiologies. The intent of this study was to utilize surveys with both a medical review of systems and psychological questioning to identify commonalities in afflicted players. This could then provide considerations of the causes and guide future research.</p><p><strong>Methods: </strong>The study recruited experienced golfers for in-person surveys and stroke demonstrations from January 26, 2019 to March 28, 2020. The analyses included statistical methods and discussion. These methods included Yates' chi-squared test and Fisher's exact test targeted toward smaller sample sizes.</p><p><strong>Results: </strong>Finding participants was difficult and resulted in a small sample size (<i>n</i> = 14). The study had 4 participants with the yips and 10 controls. Statistical methods for small sample sizes found few associations. However, Fisher's exact test showed negative associations between the yips and sore throats (<i>p</i> = 0.0050), fever (<i>p</i> = 0.0150), and physical trauma (<i>p</i> = 0.0150). Yates' chi-squared test also found significance for fever (<i>p</i> = 0.0328), sore throat (<i>p</i> = 0.0105), and physical trauma (<i>p</i> = 0.0328). Qualitative data were also highlighted in the study, including tabulating the treatments tried and the outcomes of the participants.</p><p><strong>Conclusion: </strong>The yips cause problems, especially for those who have invested significant time into perfecting a skill. Continued research is warranted to elucidate the causes and effective treatments.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1563370"},"PeriodicalIF":2.3,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12043691/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143980463","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}
引用次数: 0
Passing-skill training vs. small-sided games for improvement of side-foot kick accuracy among youth female soccer players. 传球技术训练与小边比赛对青少年女足侧脚踢准的提高。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-17 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1506563
Tomas Carlsson, Joakim Broman, Jenny Isberg, Magnus Carlsson
{"title":"Passing-skill training vs. small-sided games for improvement of side-foot kick accuracy among youth female soccer players.","authors":"Tomas Carlsson, Joakim Broman, Jenny Isberg, Magnus Carlsson","doi":"10.3389/fspor.2025.1506563","DOIUrl":"https://doi.org/10.3389/fspor.2025.1506563","url":null,"abstract":"<p><p>This study compared the effectiveness of a passing-skill training (PST) concept (theory lectures, passing-skill training, and external- and internal-focus feedback) and three-a-side small-sided games (SSG) on improving side-foot kick accuracy among youth female soccer players. Seventeen youth female soccer players (age: 12.7 ± 0.8 years) completed the pre-post-intervention study, where the pre- and post-tests included three 10-m passing accuracy tests with increasing level of complexity: (1) stationary ball with a fixed target (SBFT), (2) rolling ball with a fixed target (RBFT), and (3) rolling ball with a moving target (RBMT). Based on the pre-tests, the participants were matched into the PST group or the SSG group. The training consisted of nine 30-min sessions for both groups during a period of 4.5 weeks. During the intervention, the PST group significantly improved the side-foot kick accuracy across all three tests. In contrast, the SSG group showed no significant change in passing accuracy in either the RBFT test or the RBMT test; however, their side-foot kick accuracy was significantly reduced in the SBFT test. There were significant between-group differences in side-foot kick accuracy across all three tests after the intervention, where the PST group had a greater side-foot kick accuracy than the SSG group. In conclusion, results indicate that the PST concept significantly enhances passing accuracy across all tested variables, unlike SSG, suggesting PST's superiority in technical skill development.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1506563"},"PeriodicalIF":2.3,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12043672/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144007562","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}
引用次数: 0
Validation of the metabolic power model during three intermittent running-based exercises with emphasis on aerobic and anaerobic energy supply. 在三种间歇跑步运动中代谢能力模型的验证,重点是有氧和无氧能量供应。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-17 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1583313
Joana Brochhagen, Matthias W Hoppe
{"title":"Validation of the metabolic power model during three intermittent running-based exercises with emphasis on aerobic and anaerobic energy supply.","authors":"Joana Brochhagen, Matthias W Hoppe","doi":"10.3389/fspor.2025.1583313","DOIUrl":"https://doi.org/10.3389/fspor.2025.1583313","url":null,"abstract":"<p><strong>Introduction: </strong>In intermittent sports, available internal load measurements like capillary blood techniques and portable respiratory gas analyzers are considered as gold standards in controlled laboratory environments, but are impractical for daily use in training and matches. A newer approach, the metabolic power model, allows to extrapolate from speed and acceleration data to the metabolic power, simulated oxygen uptake, and aerobic and anaerobic energy supply. The aim of this study was to validate the metabolic power model against the established 3-component model to allow direct comparison of variables including energy expenditure and supplies during intermittent running-based exercises.</p><p><strong>Methods: </strong>Twelve male athletes (24 ± 3 years) performed three different running-based exercises consisting of continuous shuttle runs and repeated accelerations and sprints with change of direction. Each exercise condition intended to primarily stress the aerobic, anaerobic alactic, and lactic energy supply. One-way repeated measures ANOVA or Friedman test and corresponding effect sizes were applied for statistical analyses. Additionally, absolute and relative biases and Bland-Altman plots were generated.</p><p><strong>Results: </strong>For total energy expenditure, there were statistically significant differences (<i>p</i> ≤ .002, <i>d</i> ≥ .882, large) and biases of -13.5 ± 11.8% for the continuous shuttle runs and up to 352.2 ± 115.9% for repeated accelerations and sprints. Concerning aerobic energy supply, there were statistically significant differences (<i>p</i> < .001, <i>d</i> ≥ 1.937, large effect sizes) and biases of up to -38.1 ± 11.7%. For anaerobic energy supply, there were statistically significant differences (<i>p</i> < .001, <i>d</i> ≥ 5.465, large) and biases of up to 1,849.9 ± 831.8%.</p><p><strong>Discussion: </strong>In conclusion, the metabolic power model significantly under- or overestimates total energy expenditure and supplies with large effect sizes during intermittent running-based exercises. Future studies should optimize the model before it can be used on a daily basis for scientific and practical purposes.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1583313"},"PeriodicalIF":2.3,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12043615/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144003727","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}
引用次数: 0
"Anyone who weighs up risks doesn't belong here": how do elite handball players manage physical health risk throughout their professional careers? “任何权衡风险的人都不属于这里”:精英手球运动员如何在整个职业生涯中管理身体健康风险?
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-17 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1553948
Jan Bursik, Jochen Mayer, Ansgar Thiel, Felix Kühnle, Jannika M John
{"title":"\"Anyone who weighs up risks doesn't belong here\": how do elite handball players manage physical health risk throughout their professional careers?","authors":"Jan Bursik, Jochen Mayer, Ansgar Thiel, Felix Kühnle, Jannika M John","doi":"10.3389/fspor.2025.1553948","DOIUrl":"https://doi.org/10.3389/fspor.2025.1553948","url":null,"abstract":"<p><strong>Objectives: </strong>Elite athletes frequently encounter physical health risks, such as an injury, illness or pain, which are accompanied by sociocultural norms, individual perceptions, and situational pressures. While research has explored risk management in sports, limited attention has been given to the subjective experiences of athletes managing these risks across their careers. This study addresses this gap by examining how elite handball players manage physical health risks, focusing on the role of risk perception, evaluation, and coping.</p><p><strong>Methods: </strong>Using a constructivist lens, 11 handball players from the German national teams (5 females, 6 males) participated in biographical mapping interviews, providing insights into their career-long management of physical health risks.</p><p><strong>Results: </strong>Using reflexive thematic analysis, we generated four themes: (1) Externalizing risks and refraining from proactivity, (2) Relinquishing control under medical uncertainty, (3) Fluctuating prioritization of health or success, and (4) Calculated health-risk taking to achieve success. The findings illustrate that athletes' risk management strategies vary based on career stage, injury experiences, situational priorities, and social pressures. The insights contribute to a deeper understanding of the dynamics of physical health risk management in high-performance sports and their sociocultural underpinnings. The study highlights the need for interventions that foster proactive risk management, emphasize personal agency, and balance performance with long-term health.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1553948"},"PeriodicalIF":2.3,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12043711/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143988666","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}
引用次数: 0
Acute changes in urinary metabolites: vinyasa yoga compared to cycle ergometer exercise. 尿代谢物的急性变化:与循环能量计运动相比,体式瑜伽。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-16 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1556989
Colin E S Campbell, Carl J Murphy, Zeinab Barati, Robert H Coker
{"title":"Acute changes in urinary metabolites: vinyasa yoga compared to cycle ergometer exercise.","authors":"Colin E S Campbell, Carl J Murphy, Zeinab Barati, Robert H Coker","doi":"10.3389/fspor.2025.1556989","DOIUrl":"https://doi.org/10.3389/fspor.2025.1556989","url":null,"abstract":"<p><strong>Introduction: </strong>Increased interest in unconventional exercise such as vinyasa yoga has outpaced our understanding of the physiological response to yoga exercise. The objective of the current study was to evaluate changes in urinary metabolites (i.e., alanine, phenylalanine, glycine, choline, taurine, creatinine, creatine, dimethylamine, citrate, pyruvate, acetate, and beta-hydroxybutyrate) elicited by vinyasa yoga compared to moderate intensity aerobic exercise in young healthy adults.</p><p><strong>Methods: </strong>Twelve participants, six women and six men, completed a vinyasa yoga exercise session (VY) and a moderate intensity cycle ergometer exercise session (ME) in a sequential fashion. The intensity of the ME was matched to heart rate and rating of perceived exertion elicited during the initial VY. Urine samples were collected at baseline and following the completion of each of VY and ME. Metabolite concentrations after each exercise were normalized to their baseline levels to obtain a relative exercise-induced change in concentration. We hypothesized that activation of large muscle groups in the lower extremities would foster greater ME-induced alterations in metabolites.</p><p><strong>Results: </strong>Exercise-induced changes in urinary concentrations of phenylalanine, creatinine, creatine, glycine, choline, taurine, dimethylamine, citrate, pyruvate, alanine, and beta-hydroxybutyrate were greater in ME compared to VY (<i>P</i> < 0.05). There was no difference between the exercise-induced changes in lactate between groups (<i>P</i> < 0.05).</p><p><strong>Discussion: </strong>The results of this study demonstrate that ME promotes more robust changes in urinary metabolites compared to VY. These differences may be due to a greater localized workload on the large muscle groups of the lower extremities during ME, and potentially highlight the distributed metabolic demand of VY.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1556989"},"PeriodicalIF":2.3,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12040866/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144005706","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}
引用次数: 0
Postural control adaptations to different visual conditions in dancers and non-dancers with chronic ankle instability. 慢性踝关节不稳的舞者和非舞者对不同视觉条件的姿势控制适应。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-15 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1553847
Eun Ji Hong, Jiho Kang, Hyung Gyu Jeon, Sae Yong Lee, Kyeongtak Song
{"title":"Postural control adaptations to different visual conditions in dancers and non-dancers with chronic ankle instability.","authors":"Eun Ji Hong, Jiho Kang, Hyung Gyu Jeon, Sae Yong Lee, Kyeongtak Song","doi":"10.3389/fspor.2025.1553847","DOIUrl":"https://doi.org/10.3389/fspor.2025.1553847","url":null,"abstract":"<p><strong>Purpose: </strong>Even though dancers have good postural control ability, ankle sprain is the most common injury among dancers, developing into chronic ankle instability (CAI). While dancers rely on visual cues during stage and practice, it is unknown how dancers with CAI perform balance in different visual conditions. This study compares (1) static postural control between eyes open and closed, (2) visual reliance, and (3) dynamic postural control among dancers with CAI, uninjured dancers, non-dancers with CAI, and uninjured non-dancers.</p><p><strong>Methods: </strong>Ten dancers with CAI, 10 uninjured dancers, 10 non-dancers with CAI, and 10 uninjured non-dancers. Participants performed single-leg standing with eyes open (EO) and eyes closed (EC) conditions. COP area, velocity in mediolateral (ML) and anteroposterior (AP), and resultant velocity were calculated. Visual reliance (% modulation) was calculated using the percent change in COP values between EO and EC conditions. Participants performed a drop vertical jump and maintained balance to assess the dynamic postural stability index. A two-way analysis of variance (group and CAI status) and Bonferroni <i>post hoc</i> test were used to compare static balance, visual reliance, and dynamic balance.</p><p><strong>Results: </strong>A main effect of CAI status was observed in COP area (<i>p</i> = 0.014) and COP AP velocity (<i>p</i> = 0.013) during static balance in the EO condition. We also observed CAI status main effect in COP area (<i>p</i> = 0.014), COP AP velocity (<i>p</i> = 0.010), and COP resultant velocity (<i>p</i> = 0.034), and a group main effect in COP ML velocity (<i>p</i> = 0.034) in EC condition. We found interactions between group and CAI status in the visual reliance of COP resultant velocity (<i>p</i> = 0.048), as well as significant group (<i>p</i> < 0.001) and CAI status effect (<i>p</i> = 0.006). However, there were no significant differences in dynamic postural control (<i>p</i> > 0.05).</p><p><strong>Conclusion: </strong>CAI patients demonstrated postural control deficits in static balance under both eyes open and closed conditions compared to uninjured controls. However, dancers exhibited higher visual reliance than non-dancers, and CAI showed greater visual dependence than uninjured controls. This finding shows dancers use visual information differently, resulting in higher balance abilities.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1553847"},"PeriodicalIF":2.3,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12037517/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144008144","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}
引用次数: 0
Searching synergy between esport and academy: the role of sport faculties and departments in CEE countries. 寻找电子竞技与学院之间的协同作用:中东欧国家体育学院和部门的作用。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-15 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1539483
Petra Hospodková, Jan Šíma, Vladimír Rogalewicz, Zdeněk Ledvina, Jakub Čubík, Daniel Opelík
{"title":"Searching synergy between esport and academy: the role of sport faculties and departments in CEE countries.","authors":"Petra Hospodková, Jan Šíma, Vladimír Rogalewicz, Zdeněk Ledvina, Jakub Čubík, Daniel Opelík","doi":"10.3389/fspor.2025.1539483","DOIUrl":"https://doi.org/10.3389/fspor.2025.1539483","url":null,"abstract":"<p><strong>Objective: </strong>To identify the current challenges and barriers within the esports environment in the Central and East European countries and to explore the potential for collaboration between universities, particularly sports faculties, and the esports ecosystem. The research also aims to clarify the perceived roles of universities, including their research domains, within the context of esports.</p><p><strong>Methods: </strong>The research is based on a qualitative approach. Semi-structured interviews were used in the qualitative research to analyze attitudes toward the esports issues. The interviews were conducted with 18 stakeholders, the recordings were transcribed verbatim, coded and analyzed using the MAXQDA Analytics Pro software.</p><p><strong>Results: </strong>The analysis led to the following findings: Universities can collaborate with esports teams, players, and other stakeholders to research and analyze players' physical state and performance, offering courses and certifications for coaches and managers of esports teams, where they would learn gaming skills and player's health and physical preparation. Moreover, universities can facilitate interaction between esports teams and experts in the field of nutrition, sleep, etc., potentially leading to improved health and performance of players. Finally, universities can collaborate with esports associations to establish standards and licensing requirements for coaches, managers, and other professionals in the esports industry.</p><p><strong>Conclusion: </strong>The paper advocates collaboration between universities and esports organizations and encourages flexibility and innovation. Recommendations include establishing formalized training programs for players, coaches, managers and organizers, promoting esports within the university environment, fostering positive perceptions, and supporting university leagues.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1539483"},"PeriodicalIF":2.3,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12037521/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143997509","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}
引用次数: 0
Inter-individual variability in performance benefits from repeated sprint training in hypoxia and associated training parameters. 在低氧条件下重复短跑训练和相关的训练参数有利于个体间表现的变化。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-15 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1524437
Naoya Takei, Ryuji Muraki, Olivier Girard, Hideo Hatta
{"title":"Inter-individual variability in performance benefits from repeated sprint training in hypoxia and associated training parameters.","authors":"Naoya Takei, Ryuji Muraki, Olivier Girard, Hideo Hatta","doi":"10.3389/fspor.2025.1524437","DOIUrl":"https://doi.org/10.3389/fspor.2025.1524437","url":null,"abstract":"<p><p>This study examined whether inter-individual variability exists in repeated sprint training in hypoxia (RSH) and how peripheral oxygen saturation (SpO<sub>2</sub>) affects physiological demands and mechanical output, and subsequent training outcomes. Sixteen highly-trained sprint runners completed six sessions of RSH consisting of two sets of 5 × 10-s all-out sprints (fraction of inspired oxygen: 0.15), with pre- and post-tests involving 10 × 10-s all-out sprints in normoxia. Average SpO<sub>2</sub>, training impulse (TRIMP), and relative total work (relative TW; standardized by pre-test TW) during training sessions were calculated. After the intervention, MPO increased by +3.8% (<i>P</i> = 0.001) and sprint decrement score by +6.0% (<i>P</i> = 0.047). However, inter-individual variability in performance improvement observed and nearly 20% of participants did not obtain performance benefit. Average SpO<sub>2</sub> during training sessions correlated significantly with relative TW (<i>r</i> = 0.435, <i>P</i> = 0.008), indicating that participants with higher SpO<sub>2</sub> performed more work during training. Relative TW was strongly correlated with performance improvement (<i>r</i> = 0.833, <i>P</i> < 0.001), suggesting that those who produced more work during training experienced greater performance gains. TRIMP showed no significant correlation with SpO<sub>2</sub> or performance improvement. In summary, greater peripheral deoxygenation leads to lower mechanical work and consequently smaller performance improvement following RSH. The variability in peripheral deoxygenation and relative TW among highly-trained sprint runners may contribute to the heterogeneous training effects observed.</p>","PeriodicalId":12716,"journal":{"name":"Frontiers in Sports and Active Living","volume":"7 ","pages":"1524437"},"PeriodicalIF":2.3,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12037587/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144007508","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}
引用次数: 0
Corrigendum: What do we know: positive impact of hip-hop pedagogy on student's learning effects. 更正:我们知道什么:嘻哈教学法对学生学习效果的积极影响。
IF 2.3
Frontiers in Sports and Active Living Pub Date : 2025-04-15 eCollection Date: 2025-01-01 DOI: 10.3389/fspor.2025.1601472
Xi Ling, Yuanyuan Chen, Shixin Zhao, Dongping Zheng
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