Journal of Sports Medicine and Physical Fitness最新文献

{"title":"Knee strength difference between lower limbs and jump performance in athletes with patellar tendinopathy and healthy controls.","authors":"Diego Ruffino, Matías Alfonso, Federico Villalba, Javier Asinari, Peter Malliaras","doi":"10.23736/S0022-4707.25.16444-X","DOIUrl":"10.23736/S0022-4707.25.16444-X","url":null,"abstract":"<p><strong>Background: </strong>The aim of this case-control study was to compare knee strength and jump performance both in athletes with patellar tendinopathy (PT) compared to healthy controls.</p><p><strong>Methods: </strong>Eighty recreational athletes divided into 2 groups, patellar tendinopathy group (PTG; N.=40) and asymptomatic control group (CG; N.=40) matched by age, height, weight and sport participated in this study.</p><p><strong>Results: </strong>Six-Repetition Maximum (6RM) Test were conducted to estimate maximal isotonic muscular strength using leg extension and leg press machines, while vertical countermovement jump (CMJ) and triple hop for distance were performed to assess jumps capacity. An adjusted analysis revealed that the difference between the PT group and the asymptomatic group in CMJ was 11.024 cm (P value <0.001) and 0.18 m in triple hop (P value <0.001). Furthermore, the difference between both lower limbs in the PT group was 9.02 kg (P value <0.001) and 3.76 kg (P value = 0.02) in leg extension and leg press evaluations, respectively, compared to the control group, regardless of age, height, weight, and sports activity.</p><p><strong>Conclusions: </strong>Athletes with unilateral PT had impaired strength and single leg jumping performance compared with matched healthy controls, yet they have greater double leg jumping performance. There was less evidence for side-to-side impairment suggesting bilateral impairment.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":"917-923"},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143730369","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":"Enhancing change of direction speed in young soccer players through running technique training.","authors":"Marek Vrablanský, Filip Skala, Tomáš Vencúrik","doi":"10.23736/S0022-4707.25.16404-9","DOIUrl":"10.23736/S0022-4707.25.16404-9","url":null,"abstract":"<p><strong>Background: </strong>This study explored the impact of running technique training on change of direction (COD) speed in young soccer players across the U11, U13, and U18 age categories.</p><p><strong>Methods: </strong>Eighty-nine players participated and were divided into experimental (COD training [CODT]) and control (CON) groups in each category. The CODT group underwent a 4-week training program, conducted twice a week for fifteen minutes before regular training sessions. Pre- and post-testing used the 505 and Pro-Agility (5-10-5) tests.</p><p><strong>Results: </strong>Results indicated significant improvements for CODT U11 players in the 505 Test on the right foot (P=0.04, d=0.48) and the 5-10-5 Test (P<0.001, d=0.86). The U13 CODT players improved in the 5-10-5 Test (P<0.001, d=0.54), as well as the CODT U18 (P=0.001, d=1.04). Significant differences between CODT and CON groups were observed in the U11 category in the 5-10-5 Test.</p><p><strong>Conclusions: </strong>The study concludes that running technique training before regular soccer sessions enhances COD speed, particularly in U11 and U18 players.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":"839-844"},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143730356","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":"Effects of sports drinks with different molecular weight carbohydrates on rehydration during endurance exercise: a comparative study.","authors":"Qiushi Tan, Zhiguang Zhao, Aiqi Yu, Mai Xiang, Qi Han, Jingyi Zhu, Xuemei Sui, Qirong Wang","doi":"10.23736/S0022-4707.25.16364-0","DOIUrl":"10.23736/S0022-4707.25.16364-0","url":null,"abstract":"<p><strong>Background: </strong>The aim of this study was to compare the impacts of low-molecular-weight (LMW) and high-molecular-weight (HMW) carbohydrate (CHO) sports drinks on rehydration during endurance exercise.</p><p><strong>Methods: </strong>Ten middle- and long-distance running athletes were selected in a randomized, double-blind, cross-over design. One day before the experiment, a pre-experiment was performed to determine the VO<inf>2peak</inf>. The formal experiment consisted of a two-stage exercise test. In the first test, participants rode an electrically braked cycle ergometer for 1 hour with an intensity of 70%VO<inf>2peak</inf> and were supplemented with three kinds of sports drinks, namely, LMW CHO (oligosaccharides), HMW CHO (Vitargo), and placebo (PLA), at 1.8 mL/kg·bw every 15 minutes. Venous blood, capillary blood, and urine were collected during exercise. The second test was conducted 6 hours after the first test and employed an intensity of 75%VO<inf>2peak</inf> and the same rehydration strategy. The rate of perceived exertion (RPE) was recorded every 15 minutes until exhaustion, and the time to exhaustion (TTE) was recorded.</p><p><strong>Results: </strong>The percentage of body weight loss before and after exercise was significantly lower in the LMW group than in the HMW group (P<0.05). The serum or urine Na⁺, K⁺, and Cl^- concentrations did not significantly differ among the groups (P>0.05). No significant differences in plasma osmolarity, urine osmolarity, lactic acid, blood pH, or exercise exhaustion time were found among the groups (P>0.05).</p><p><strong>Conclusions: </strong>Sports drinks containing LMW CHO were better at maintaining hydration than those containing HMW CHO. Sports drinks with different molecular weights of CHO had no significant effect on athletic performance or blood pH.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":"845-855"},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143998502","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":"Runner's toenail: how does marathon training lead to runner's toenail injuries?","authors":"Angelo V Vasiliadis, Vasileios Giovanoulis","doi":"10.23736/S0022-4707.25.16689-9","DOIUrl":"10.23736/S0022-4707.25.16689-9","url":null,"abstract":"","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":"983-985"},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143998557","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":"Altitude training effects on erythropoietin and erythrocyte parameters in swimmers with different altitude training experience.","authors":"Wei W Lin, Yang Wang, Li Cai, Hui J Chen","doi":"10.23736/S0022-4707.25.16527-4","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16527-4","url":null,"abstract":"<p><strong>Background: </strong>No studies have investigated the adaptability of altitude training in swimmers with different levels of altitude training experience. The aim of this study was to explore the effects of varying altitude training experience in swimmers by examining changes in erythropoietin (EPO) and erythrocyte parameters over a 31-day altitude training period. The findings provide a theoretical basis for understanding the adaptive effects of altitude training and the internal mechanisms underlying changes in functional state.</p><p><strong>Methods: </strong>Sixteen swimmers were divided into two groups based on their altitude training experience: MATE and LATE. All participants underwent altitude training at the Kunming Haigeng Physical Training Base in China. Venous blood samples were collected in the morning on days 3, 10, 17, 24, and 31 of the training programs to measure levels of EPO, hemoglobin (HGB), red blood cell count (RBC), and other physiological indicators.</p><p><strong>Results: </strong>For the MATE group, significant differences in EPO levels were observed on days 17 and 31 compared to days 3 and 10. Additionally, day 31 showed significant differences in EPO levels compared to days 17 and 24. Significant changes in RBC levels were noted on days 17 and 24 compared to day 10. Significant differences were also found in the levels of RETp, RETc, and IRF on days 10, 17 and 24 compared to day 3, and on days 24 and 31 compared to day 17. For the LATE group, EPO levels on day 31 showed significant differences compared to all previous days. RBC levels on day 10 were significantly different from day 3. Significant differences in RETp, RETc, and IRF levels were observed on days 10 and 31 compared to day 3, and on days 24 and 31 compared to day 10.</p><p><strong>Conclusions: </strong>Swimmers with more altitude training experiences exhibit better adaptability than those with less experiences. HGB levels are maintained at high levels that indicate an enhanced blood oxygen-carrying capacity, enabling swimmers to efficiently adjust to variations in oxygen partial pressure within a hypoxic environment.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528508","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":"Reference intervals for lipid biomarkers in youth athletes.","authors":"Sergey O Klyuchnikov, Zanna V Grishina, Timofey A Yashin, Vladimir S Feshchenko, Andrey V Zholinsky, Irina E Bushueva, Elena V Lomazova, Sergey A Bazanovich, Sergey I Barshak","doi":"10.23736/S0022-4707.25.16150-1","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16150-1","url":null,"abstract":"<p><strong>Background: </strong>It is known that lipid profile is influenced by physical exercise. In addition, adolescent athletes undergo significant hormonal changes that also affect their lipid profile. In our study, we used a sample of elite athletes under 18 years old (2281 f, 2986 m) from different sports disciplines to calculate reference intervals (RI) for lipid metabolism indicators.</p><p><strong>Methods: </strong>The reference intervals for lipid metabolism markers, namely total cholesterol, triglycerides, low- and high-density lipoprotein fractions, were calculated using non-parametric statistical methods based on the results of blood tests obtained during regular in-depth medical examinations that Russian athletes undergo twice a year.</p><p><strong>Results: </strong>The reference intervals for lipid biomarkers in underage athletes differ from both pediatric and general adult population values. The most notable differences were found in HDL and TG levels. In particular, the upper limits of HDL both in young athletes and ordinary children were higher than those in the general adult population by 23.6% in boys and 43.6% in girls; the lower limits of TG RI in young athletes of both sexes were almost 2 times lower (48%) than in ordinary children, but higher than the adult values.</p><p><strong>Conclusions: </strong>Intense physical exercise has a significant impact on the lipid metabolism in elite athletes. Reference intervals obtained from a sample of youth elite athletes differ from both pediatric and the adult population values. The use of reference intervals of lipid metabolism indices obtained in our study (or in similar future studies) could improve health status assessment and help identify minor health conditions in young elite athletes.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144528509","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":"Effects of swimming fatigue on neuromuscular parameters in young swimmers with unilateral shoulder pain.","authors":"Miriam Martini, Andrea Cargnel, Alessandra Raffini, Laura Mazzari, Milos Ajcevic, Agostino Accardo, Gianluca Canton, Manuela Deodato, Alex Buoite Stella, Luigi Murena","doi":"10.23736/S0022-4707.25.16467-0","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16467-0","url":null,"abstract":"<p><strong>Background: </strong>A cross-sectional study was conducted to investigate the effects of fatigue on isometric strength and surface electromyography (sEMG) in swimmers with unilateral shoulder pain compared to healthy controls.</p><p><strong>Methods: </strong>Twenty front-crawl swimmers participated in the present study and were grouped according to the presence (PAIN, N.=10, 3 females, 23±3 years) or absence (controls, N.=10, 4 females, 22±5 years) of unilateral shoulder pain, based on subjective reporting and physiotherapy evaluation. Before and after swimming fatigue training, the sEMG signals were recorded during a functional upper-limb task and a strike task and were normalized according to their maximal voluntary isometric contraction (%MVIC), and an isometric strength assessment was performed for the shoulder.</p><p><strong>Results: </strong>A significant interaction effect time × group was found during the functional task in the sternocleidomastoid (m.SCM) muscle (P=0.014, pη²=0.294) and pectoralis major (m.PM) muscle (P=0.027, pη²=0.243), whereas during the strike task, only the serratus anterior (m.SA) muscle was characterized by a significant interaction (P=0.006, pη²=0.346). In particular, in the PAIN group, fatigue reduced m.PM activation by 0.8% MVIC (Cohen's d=0.440) and increased m.SCM activation by 0.7% MVIC (Cohen's d=0.633), as well as increased m.SA activation by 24.2% MVIC (Cohen's d=1.356), whereas in controls m.SCM decreased by 0.6% MVIC (Cohen's d=0.485). Finally, the PAIN group was characterized by lower IR strength than controls after the training by 0.127 N/kg (Cohen's d=0.988).</p><p><strong>Conclusions: </strong>Pain and fatigue can affect muscle strength and sEMG activity in swimmers with unilateral shoulder pain. These findings could provide novel insights into the physiological and pathophysiological mechanisms underlying unilateral shoulder pain in swimmers, supporting the development of new training and treatment strategies.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144497395","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":"Epidemiology of weightlifting injuries in the pediatric population: 20-year assessment of nationwide emergency department visit data.","authors":"Ralph Maroun, Mohammad Daher, Peter Boufadel, Oscar Covarrubias, Jack C Casey, Ryan Lopez, Joseph A Abboud","doi":"10.23736/S0022-4707.25.16182-3","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16182-3","url":null,"abstract":"<p><strong>Background: </strong>Weight-lifting among the pediatric population has surged during the last two decades motivated by the new evidence-based positive health effects. The increasing popularity of this activity has increased the number of emergency department (ED) presentations. Therefore, we sought to analyze the epidemiology of weightlifting-associated upper (UE) and lower extremity (LE) injuries in the pediatric population.</p><p><strong>Methods: </strong>The National Electronic Injury Surveillance System (NEISS) was queried for the years 2003 to 2022. All UE and LE injuries presenting to the ED directly stemming from weightlifting activity were selected after careful narrative inclusion and exclusion.</p><p><strong>Results: </strong>Weight-lifting injuries increased significantly from 2003 to 2022 in UE from 3527 to 5540 and in LE from 750 to 1853; there was a prominent dip during the COVID-19 pandemic years, from 4126 to 3479, and from 1789 to 1625, respectively (P<0.001). Numbers also increased in sports centers from 0.6% of injuries to 3.7% in UE and from 0.4% to 3.2% in LE (P<0.001), while decreasing in schools from 2.6% to 1.5% in UE and from 2.2% to 0.6% in LE (P<0.001). The majority of the pediatric population sustaining weight-lifting injuries were males, 85.1% in UE, and 77.5% in LE. Strains and sprains were the most common injuries, representing 46.4% of UE injuries and 40.6% in LE. The knee was the most commonly injured body part in LE accounting for 38% of total injuries and the shoulder in UE accounting for 33.4% of total injuries.</p><p><strong>Conclusions: </strong>Our study found that UE and LE weight-lifting injuries among children and adolescents have increased in the past two decades. Injuries increased mostly in unsupervised settings like sports centers while decreasing in regulated milieus. They predominantly affected males and involved sprains, strains, and knee or shoulder injuries. This underlines the need for more research establishing guidelines for weight-lifting activities for children.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144497396","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":"Recovery state, perceived training load and mood states during a 7-week competitive training period in judo athletes.","authors":"Marco Panascì, Gennaro Apollaro, Ibrahim Ouergui, Emerson Franchini, Matteo Bonato, Maria F Piacentini, Piero Ruggeri, Emanuela Faelli","doi":"10.23736/S0022-4707.25.16659-0","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16659-0","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to examine the effects of training period on subjective measures and to investigate the relationship between these measures during a 7-week competitive training period in highly trained judo athletes.</p><p><strong>Methods: </strong>Fourteen athletes (mean ± standard deviation, age: 22±3 years) took part in 5 training sessions per week, each lasting 90 minutes, and as the weeks of training progressed, the time spent performing randori (judo-specific training exercise) increased. Before each session, perceived recovery was assessed by the total quality recovery (TQR). After each session, athletes indicated their perceived exertion by the CR-10 Rating of Perceived Exertion (RPE). Mood states were assessed on the last day of each week by the Profile of Mood States (POMS).</p><p><strong>Results: </strong>TQR in weeks 1 and 2 was higher than that in weeks 3 (P<0.001 and P=0.034, respectively), 5 (P=0.008 and P=0.028, respectively) and 6 (P<0.001). TQR in weeks 3 (P=0.015), 5 (P=0.019), and 6 (P=0.002) significantly reduced than in week 7. RPE in weeks 4 significantly decreased than in week 6 (P=0.009). Significant relationships between TQR and RPE were found in weeks 3 (r=-0.75; P=0.002), 5 (r=-0.94; P<0.001), and 6 (r=-0.66; P=0.01).</p><p><strong>Conclusions: </strong>The change in randori time influenced psychological perception, with a greater effect on RPE and TQR. Coaches should monitor regularly these variables and should pay special attention to this training exercise modality in order to adjust the internal training load response desired for a specific moment of the training process.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144317197","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":"Maximal aerobic power and anaerobic power reserves to prescribe cycling interval training sessions.","authors":"Simone DI Gennaro, Luca Filipas, Marco Panascì, Gabriele Gallo, Andrea Meloni, Roberto Codella, Piero Ruggeri, Emanuela Faelli","doi":"10.23736/S0022-4707.25.16693-0","DOIUrl":"https://doi.org/10.23736/S0022-4707.25.16693-0","url":null,"abstract":"<p><strong>Background: </strong>Prescribing interval training intensity can be challenging due to individual variations in physiological capacity. Traditional methods often rely on maximal aerobic power (MAP), but this may not fully capture the characteristics of different athletes. This study aimed to investigate whether alternative methods, such as anaerobic power reserve (APR) and glycolytic power reserve (GPR), could provide more individualized high-intensity interval training (HIIT) prescriptions.</p><p><strong>Methods: </strong>Twelve trained cyclists completed a cardiopulmonary test and Wingate test to determine MAP, APR, and GPR (mean power output during the Wingate test minus MAP). Subsequently, participants performed in a randomized order, three HIIT until-exhaustion sessions with 60-s of work and 60-s of active rest, based on APR (HIIT<inf>APR</inf>: MAP+10% APR), GPR (HIIT<inf>GPR</inf>: MAP+20%GPR) and MAP (HIIT<inf>MAP</inf>: 120%MAP), respectively. Inter-individual variability in time to exhaustion, heart rate, oxygen uptake, and lactate was calculated as the root mean square of residuals and as coefficients of variation (CV).</p><p><strong>Results: </strong>Although no significant differences in inter-individual variability were observed across the three prescription methods for any of the physiological and perceptual variables (P>0.2), HIIT<inf>MAP</inf> leads to lower inter-individual variability in time to exhaustion (CV=21%) compared to HIIT<inf>APR</inf> (CV=35%) and HIIT<inf>GPR</inf> (CV=45%).</p><p><strong>Conclusions: </strong>HIIT based on APR and GPR does not reduce inter-individual variability in physiological responses and tolerance compared with MAP-based prescription. This suggests that both APR and GPR fail to accurately differentiate between the aerobic and anaerobic characteristics of an athlete, hindering the normalization of exercise responses during HIIT.</p>","PeriodicalId":17013,"journal":{"name":"Journal of Sports Medicine and Physical Fitness","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144317196","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}