Journal of Sports Medicine and Physical Fitness最新文献

{"title":"Effects of postprandial exercise timing on blood glucose and fluctuations in patients with type 2 diabetes mellitus.","authors":"Yan-Yan Qi, Xin Zheng, Li-Na Bi, Su Hu, Chang Li, Yan Zhang, Wen-Li Shi, Yan-Jie Yue, Qin Li","doi":"10.23736/S0022-4707.24.16076-8","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.16076-8","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to assess how moderate-intensity aerobic exercise performed 45 minutes and 90 minutes after a meal affects blood glucose levels and fluctuations in individuals diagnosed with type 2 diabetes mellitus (T2DM).</p><p><strong>Methods: </strong>Twenty-two patients with T2DM, who were solely receiving oral hypoglycemic medication, were enrolled and divided randomly into two categories: those exercising 45 minutes after a meal (45-minute postprandial exercise group) and those exercising 90 minutes post-meal (90-minute postprandial exercise group). Both groups engaged in a 30-minute session of moderate-intensity aerobic stationary bike exercise following breakfast. This aerobic exercise regimen consisted of two stages, with the groups switching exercise timings after the initial phase. Continuous glucose monitoring (CGM) was utilized to evaluate the blood glucose levels and fluctuations in the participants.</p><p><strong>Results: </strong>After breakfast, both overall daily blood glucose levels and the area under the curve for blood glucose following breakfast were reduced in the 45-minute postprandial exercise group compared to the 90-minute postprandial exercise group. The 45-minute postprandial exercise group demonstrated greater time spent within the target glucose range and less time above the target range than the 90-minute postprandial exercise group. Additionally, measures such as standard deviation, mean amplitude of glycemic excursions, largest amplitude of glycemic excursions, and postprandial glucose excursion for breakfast, peak postprandial glucose levels, and duration of elevated glucose levels were all lower in the 45-minute postprandial exercise group compared to the 90-minute postprandial exercise group.</p><p><strong>Conclusions: </strong>Moderate-intensity aerobic exercise lasting 45 minutes after meals was found to be more efficient in decreasing blood glucose levels and minimizing fluctuations compared to exercising 90 minutes after meals in patients with T2DM. Additionally, it notably reduced the peak in blood glucose levels after meals.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of different forms of high-intensity interval training on V̇O2max, strength, flexibility, and body fat percentage among middle-aged males.","authors":"Abdul L Shaikh, Zuhair A Al Salim, Abdul A Al Rafati, Mohammad Ahsan","doi":"10.23736/S0022-4707.24.16121-X","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.16121-X","url":null,"abstract":"<p><strong>Background: </strong>High-intensity interval training (HIIT) has become a popular exercise approach due to its potential to elicit significant physiological adaptations. However, limited research has compared the effects of different HIIT modalities on fitness parameters in middle-aged males. This study aimed to determine the effect of different HIIT on V̇O<inf>2max</inf>, strength, flexibility, and body fat percentage among middle-aged males.</p><p><strong>Methods: </strong>Thirty sedentary males aged 40-50 years were randomly assigned to HIIT-Weight Training Circuit (WTC), HIIT-Shuttle Run (SR), or HIIT-Bodyweight Exercise (BWE) groups. Training consisted of 20 sessions over 5 weeks of 4×4 minutes at 90-95% HR<inf>max</inf> with 3 minutes recovery at 70% HR<inf>max</inf> between intervals. Outcome measures including V̇O<inf>2max</inf>, strength, flexibility, and body fat percentage were assessed pre- and postintervention.</p><p><strong>Results: </strong>The result for the Two-Way Mixed ANOVA indicated there was no significant interaction effect between the three training groups. There was no significant main effect for the three training groups, whereas there was a significant effect for the repeated measure time existed. A significant improvement in V̇O<inf>2max</inf>, strength, flexibility has been shown between post-test and pre-test for the HIIT-SR, HIIT-WTC, and HIIT-BWE group. Whereas A significant decrease has been shown between post and pretest for all the groups in body fat percentage.</p><p><strong>Conclusions: </strong>This research findings suggested that different forms of HIIT can elicit differential adaptation in middle-aged males. Incorporating different form of HIIT as HITT-SR, HITT-WTC, and HITT-BWE into exercise program may be an effective way to systematically improve V̇O<inf>2max</inf>, strength, flexibility, and body composition in middle-age male population. These findings provide guidance on HIIT prescription according to fitness goals.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hybrid and on-site working: correlation between working modality and psychophysical health.","authors":"Raffaele Scurati, Gabriele Signorini, Edward Callus, Marta Rigon, F Marcello Iaia, Stefano Benedini, Pietro Luigi Invernizzi","doi":"10.23736/S0022-4707.24.15961-0","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.15961-0","url":null,"abstract":"<p><strong>Background: </strong>This study investigates the psychophysical health implications of hybrid and on-site working modalities among desk workers. It focuses on how hybrid work, integrating remote and on-site elements, influences physical activity, efficiency, and overall health.</p><p><strong>Methods: </strong>The research involved 57 desk workers, evaluated using the International Physical Activity Questionnaire and accelerometers for physical activity, the Cubo Fitness Test for physical efficiency, and blood sample analyses for clinical parameters. Psychosocial traits were assessed through the General Self-Efficacy Scale, the Psychological General Well-being Index, and the Job Content Questionnaire. We analyzed: 1) the correlation between physical activity, physical efficiency, and health parameters in the entire sample of desk workers (composed both by hybrid and on-site workers); 2) differences between hybrid and on-site workers; and 3) correlations between hybrid work composition (the percentage of remote working per week) and health-related parameters.</p><p><strong>Results: </strong>Statistical analysis showed relationships between physical efficiency, amount of physical activity, and clinical health parameters in line with the literature. Moreover, hybrid workers engaged in significantly more intense physical activities outside work hours than on-site workers. In addition, hybrid working showed better results in some components of psychosocial well-being. Despite that, no significant differences were found in clinical health parameters. A correlation analysis between hybrid work composition and all considered health-related parameters highlighted that the higher the remote working, the higher the vigorous physical activity, but the worse the psychosocial status and clinical parameters.</p><p><strong>Conclusions: </strong>The findings suggest that a hybrid working model could effectively support the health of desk workers if adequately balanced.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Arterial blood pressure regulation during prolonged isometric exercise in artistic gymnastic athletes compared to controls.","authors":"Spyridoula Ntalapera, Panagiotis Miliotis, Maria Koskolou, Olyvia Donti, Nikos Geladas","doi":"10.23736/S0022-4707.24.15946-4","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.15946-4","url":null,"abstract":"<p><strong>Background: </strong>The aim of this cross-sectional study was to examine the baroreflex sensitivity alterations in regulating arterial blood pressure during prolonged isometric exercise at different intensities in elite artistic gymnastic athletes compared to non-athletes.</p><p><strong>Methods: </strong>Fourteen young males participated in the study; 7 international level artistic gymnastics athletes and 7 physically active students inexperienced to isometric or resistance training. On two occasions, both groups performed 3 minutes of isometric handgrip exercise either at 30% or 50% of maximum voluntary contraction (MVC), in a randomized order. Force production, arterial blood pressure and baroreflex sensitivity through finger plethysmograph were continuously recorded.</p><p><strong>Results: </strong>At rest, arterial blood pressure was normal in both groups (systolic blood pressure [SBP], athletes [A]: 128±9.0 mmHg, non-athletes [NA]: 130±7.2 mmHg, P=0.62; DIA, A: 75.6±5.2, NA: 78.5±4.6, P=0.31) but baroreflex sensitivity (BRS) was higher in athletes than in non-athletes (A: 16.6±7.4, NA: 12.0±7.9, P=0.02). During prolonged isometric exercise at 30% MVC, blood pressure was similar between groups (SBP, A: 176.9±16 mmHg vs. NA: 189.5±15.1 mmHg P=0.9, diastolic blood pressure [DBP], A: 108±11 mmHg vs. NA: 118±11 mmHg, P=0.6) and BRS was still higher in athletes (A: 13.28±5.75 ms/mmHg vs. NA: 6.72±3.83, P=0.04), whereas at 50% MVC, blood pressure was lower in the athletes compared to the control group (SBP, A: 182.5±15 mmHg vs. NA: 222.1±19.3 mmHg, P=0.001; DBP A: 115±14 mmHg vs. NA: 141±20 mmHg, P=0.02,without statistically significant difference in BRS between groups (A: 7.39±5.34 ms/mmHg vs. NA: 3.9±1.73 ms/mmHg, P=0.44).</p><p><strong>Conclusions: </strong>The results of our cross-sectional study revealed that after years of exposure in high amounts of training loads, baroreflex sensitivity is increased in healthy athletes probably in order to prevent excessive increases in blood pressure during exercise.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predicting the potential of middle- and long-distance track runners by evaluating the performance improvement rate.","authors":"Lucie Lerebourg, Brice Guignard, Maxime L'hermette, Jérémy B Coquart","doi":"10.23736/S0022-4707.24.15123-7","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.15123-7","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was twofold: 1) to determine the rate of performance improvement among France's top 10 athletes in middle- and long-distance events (e.g., 800 m, 1500 m and 5000 m) by analyzing their personal best performances per season over several years; and 2) to develop an index of the optimal performance improvement rate for use by elite coaches and athletes in assessing athletes' progression, predicting potential performances, and possibly detecting high-potential athletes.</p><p><strong>Methods: </strong>The top 10 athletes in the Fédération Française d'Athlétisme (FFA) rankings of the 800-m, 1500-m and 5000-m events for each sex were assessed for their history of race times before achieving their best race time (BRT). For each athlete, the difference between the current BRT and last season's BRT was defined as the 1-season improvement rate (1-SIR), whereas the average improvement rate in the last and preceding seasons was the multiseason improvement rate (M-SIR).</p><p><strong>Results: </strong>Sex differences were observed in the 5000 m only for M-SIR (%) (P<0.05), and significantly higher rates of improvement were observed for 1-SIR (min) and M-SIR mostly for the 5000 m as opposed to the 800 m and 1500 m.</p><p><strong>Conclusions: </strong>Prediction using this index may be used to detect talents (those who have the potential for high level performances and/or the potential to break national records) and to follow and optimize training strategy and competitions.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anthropometric and physical fitness characteristics of male South African youth soccer players.","authors":"Prescott Mahlangu, Alliance Kubayi, Abel Toriola, Andries Monyeki, Darren Kwong, Andrew Green","doi":"10.23736/S0022-4707.24.16246-9","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.16246-9","url":null,"abstract":"<p><strong>Background: </strong>This study comparatively investigates the anthropometric and physical fitness characteristics of male South African players by age group, competitive level and playing position.</p><p><strong>Methods: </strong>The sample consisted of 201 youth soccer players drawn from six sports academies in South Africa. Players were subjected to standardized protocols for anthropometric measurements (stature, body mass and body fat percentage) and physical fitness tests (flexibility, vertical jump, push-ups, sit-ups, muscle strength, agility, 30-m sprint and V̇O<inf>2max</inf>). A series of two-way analyses of variance was performed to determine the interactions between playing position (goalkeeper, defender, midfielder or attacker) or age group (13, under-15, under-17 or under-19) and competitive level (elite or non-elite).</p><p><strong>Results: </strong>The results show significant interaction effects of agility, body fat percentage and sprint speed between the players' competitive levels and age group (P<0.05). No interaction effect was found between playing position and competitive level in any anthropometric or physical fitness variable (P>0.05). However, playing position exhibited significant main effects in the youth players' aerobic endurance and body mass (P<0.05).</p><p><strong>Conclusions: </strong>The results provide practical implications for tailoring position-specific conditioning regimes that optimize effective soccer performance.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Incidence of injuries and their prevention in Czech ice hockey players.","authors":"Jan Carboch, Petra Pravečková, Matěj Štefka","doi":"10.23736/S0022-4707.24.16012-4","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.16012-4","url":null,"abstract":"<p><strong>Background: </strong>Ice hockey is a dynamic game. We can observe collisions between the players that bring a risk of injury. There are many hockey clubs in the Czech Republic. These clubs raise great hockey players and many competing players in various levels of national leagues. The aim of this study was to map injuries in Czech hockey players and outline the situation of injury prevention and body care in ice hockey players.</p><p><strong>Methods: </strong>We used a questionnaire survey method to obtain data. We received answers from 100 male active Czech ice hockey players, playing in the top three highest men's competitions (Extraleague - 2^nd league). Individual injuries were analyzed according to specific body parts, injury type, playing position, level of competition using basic statistical characteristics and relative frequency analyses, including the recovery time, injury reason and the injury statistics per 1000 sporting performances in ice hockey.</p><p><strong>Results: </strong>We found that 81% of participants suffered injuries with the overall incidence of injuries was 17.1 per 1000 sports performances and mainly happened during the match compared to training. The most common injuries were in the head and neck area (25%), often caused by a collision with another player, a stick or puck hit, or a collision with a board. Other frequently injured parts were the knees (21%), where internal ligament injuries predominate, and the shoulders (20%), where we recorded mainly ligament injuries.</p><p><strong>Conclusions: </strong>There is a high risk of various injury types of ice hockey players, that are developed accidentally in all body parts mostly in the match (mostly upper part of the body and knee) or by overloading (hip/groin area). We recommend strategies to avoid or minimize the injury risk of players. The hockey clubs, coaches, and players should extensively and regularly cooperate with physiotherapists, starting from the younger age of hockey groups, to prevent injuries and use regular strengthening of crucial muscle parts, regeneration, and compensatory exercises. We endorse adequately evaluating dangerous foul actions for referees and disciplinary officials also in minor competitions.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Is chronic ankle instability associated with contractile thickness of gluteus medius and gluteus maximus during functional movement and exercise? A systematic review and meta-analysis.","authors":"Lijiang Luan, Jeremy Witchalls, Charlotte Ganderton, Roger Adams, Doa El-Ansary, Jia Han","doi":"10.23736/S0022-4707.24.16199-3","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.16199-3","url":null,"abstract":"<p><strong>Introduction: </strong>The gluteus medius (GMED) and gluteus maximus (GMAX) play a crucial role in postural control, and postural control is impaired in individuals with chronic ankle instability (CAI). However, the association between CAI and the recruitment of these muscles remains unclear. The purpose of this study was to explore the contractile thickness of GMED and GMAX during functional movements in individuals with CAI compared to healthy controls.</p><p><strong>Evidence acquisition: </strong>A systematic search was conducted in six databases (PubMed, Embase, Cochrane Library, Web of Science, EBSCO, and PEDro). Included studies involved the contractile thickness of GMED and/or GMAX comparing CAI with non-CAI. The extracted data were subjected to meta-analysis for observing the differences between the two. The correlation and difference in contraction between GMED and GMAX were analyzed using the Pearson Correlation Coefficient (PCC) and t-test, respectively.</p><p><strong>Evidence synthesis: </strong>Six studies with 176 participants were found. Contractile thickness measured by ultrasound showed GMED thickness change to be lower in CAI than in controls during functional movements and exercise (WMD: -0.08; 95% CI: -0.11, -0.04; P<0.00001). There was no significant difference between the two groups with respect to contraction of GMAX (WMD: 0.02; 95% CI: -0.01, 0.05; P=0.25). The PCC and P value (t-test) between the ratio of contractile thickness of GMED and GMAX in CAI were 0.397 and 0.029 respectively, indicating activity differences.</p><p><strong>Conclusions: </strong>CAI may be associated with weaker GMED recruitment during functional movements and exercise, but the activation of GMAX in CAI may be unaffected.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative kinematic analysis of high-speed treadmill vs. overground sprinting across athletic levels and sex.","authors":"Samuel Montalvo, Fayon Gonzales, Gruber Lance, Matthew P Gonzalez, Martin S Dietze-Hermosa, Sandor Dorgo","doi":"10.23736/S0022-4707.24.16089-6","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.16089-6","url":null,"abstract":"<p><strong>Background: </strong>This investigation aimed to dissect the kinematic differences in sprinting between high-speed treadmill and overground conditions, examining how these variations are influenced by the athlete's training status and biological sex.</p><p><strong>Methods: </strong>A total of 40 participants, 20 NCAA Division 1 sprinters and 20 recreational runners, performed a series of maximal sprints on a high-speed treadmill and on a standardized competition overground track. Sprinting kinematic variables such as stride length, stride frequency, contact time, and flight time were collected via photoelectric sensors. Maximal sprinting kinematics were analyzed by linear mixed-effects models, considering the impacts of sprinting environment (treadmill vs. overground), training level, and sex, with leg length as fixed factors and individual athletes as random effects. Statistical significance was set at a significance level of 0.05.</p><p><strong>Results: </strong>The statistical analysis revealed that high-speed treadmill sprinting significantly affects all measured kinematic variables, leading to increased stride frequency and contact time. Elite sprinters demonstrated enhanced kinematic efficiency over recreational runners, characterized by increased stride length and frequency and reduced contact time. Sex-based kinematic distinctions also emerged, with male athletes exhibiting superior stride length and frequency compared to female athletes. Leg length significantly influenced stride frequency, and an interaction effect was observed for flight time between sprint type and athletic group.</p><p><strong>Conclusions: </strong>These findings elucidate the distinct biomechanical profiles across sprinting modalities and athlete demographics, emphasizing the need for sprint training customization. This study's insights offer a valuable reference for coaches and athletes to refine training and performance assessment in varied sprinting environments.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of advanced footwear technology for Japanese Ekiden athletes.","authors":"Yuya Maruo, Kensuke Takezawa","doi":"10.23736/S0022-4707.24.16164-6","DOIUrl":"https://doi.org/10.23736/S0022-4707.24.16164-6","url":null,"abstract":"<p><strong>Background: </strong>Advanced footwear technology (AFT) was developed with the goal of running a marathon in under 2 hours. This pace (2:51 min/km) is similar to the race pace of Ekiden, which are road relays where each athlete covers a distance ranging from 15 kilometers to 22 kilometers. This study aimed to elucidate the impact of AFT on the records of Japanese Ekiden runners.</p><p><strong>Methods: </strong>A total of 2000 men's performances in 10,000 m and half-marathon were analyzed. Top-100 performances for 10,000 m and half marathon were subjected to One-Way group Analysis of Variance (ANOVA), including year (2014/2015/2016/2017/2018/2019/2020/2021/2022/2023).</p><p><strong>Results: </strong>Significant improvements are observed in 10,000 m times after 2020 and half marathon times after 2018.</p><p><strong>Conclusions: </strong>For 10,000 meters, track spikes with the AFT may improve running performance, rather than the first launch of the AFT in 2017. The improvement in the half-marathon for Japanese Ekiden athletes since 2018 may reflect improved running economy (RE). The present results would provide further evidence for Japanese Ekiden athletes to use AFT alongside the improvement in physiological measures like VO<inf>2</inf>.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}