Translational sports medicine最新文献

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Influence of the Knee and Hip Joint Angles on the Knee Extensor Muscles and Tendon Shear Wave Velocity in Men and Prepubertal Boys. 膝关节和髋关节角度对男性和青春期前男孩膝关节伸肌和肌腱横波速度的影响。
IF 1.9
Translational sports medicine Pub Date : 2025-12-23 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/5557335
Baptiste Chanel, Carole Cometti, Nicolas Babault
{"title":"Influence of the Knee and Hip Joint Angles on the Knee Extensor Muscles and Tendon Shear Wave Velocity in Men and Prepubertal Boys.","authors":"Baptiste Chanel, Carole Cometti, Nicolas Babault","doi":"10.1155/tsm2/5557335","DOIUrl":"10.1155/tsm2/5557335","url":null,"abstract":"<p><strong>Introduction: </strong>This study aimed to compare the influence of the knee and hip joint angles on the quadriceps muscles and tendon shear wave velocity (SWV) between men and prepubertal boys.</p><p><strong>Methods: </strong>Ten prepubertal boys and ten men participated in one experimental session, which included SWV measurements at rest for the vastus lateralis (VL), the rectus femoris (RF), and the patellar tendon (PT). Each volunteer was tested in ten randomized positions, including five knee joint angles (30, 50, 70, 90, and 110°, 0° = full extension) and two hip joint angles (0° and 80°, 0° = full extension). The SWV values were analyzed independently with a three-way ANOVA, while considering the knee angle, hip angle, and the age group.</p><p><strong>Results: </strong>Significant knee angle × age interactions were observed for VL (<i>p</i> = 0.008), RF (<i>p</i> = 0.008), and PT (<i>p</i> < 0.001). Boys and men did not present a difference in VL and RF SWV. However, boys exhibited significantly lower PT SWV values than men from a 30° to 90° knee flexion angle (<i>p</i> < 0.001). Additionally, a hip angle × knee angle interaction (<i>p</i> < 0.001) has been observed for RF SWV and highlighted greater values with a 0° hip joint angle, whatever the knee joint angles.</p><p><strong>Conclusion: </strong>These results suggested that boys and men present similar muscle elastic properties in VL and RF. However, lower SWV was observed for PT in boys up to 90° knee joint flexion.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"5557335"},"PeriodicalIF":1.9,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12782349/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145954173","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
Is Quality of Life a Reason Related to the Retirement of Professional Male Soccer Players? 男性职业足球运动员退役与生活质量有关吗?
IF 1.9
Translational sports medicine Pub Date : 2025-12-11 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/3376033
Masar Gjaka, Kaltrina Feka, Abbey Thomas, Harald Tschan, Antonio Tessitore
{"title":"Is Quality of Life a Reason Related to the Retirement of Professional Male Soccer Players?","authors":"Masar Gjaka, Kaltrina Feka, Abbey Thomas, Harald Tschan, Antonio Tessitore","doi":"10.1155/tsm2/3376033","DOIUrl":"10.1155/tsm2/3376033","url":null,"abstract":"<p><strong>Introduction: </strong>Limited knowledge exists regarding how retirement from a professional soccer career may influence players' future quality of life and overall health status. This study aimed to explore the reasons for ending professional soccer careers and to examine the postretirement health and quality of life among former soccer players in Kosovo.</p><p><strong>Materials and methods: </strong>Seventy-three retired male professional soccer players from Kosovo participated in this cross-sectional study with a retrospective design. The participants completed a questionnaire covering demographics, career details, reasons for retiring, history of soccer-related injuries, current health and activity status, and psychological aspects associated with their professional careers and retirement. Players were divided into two groups: medical retirees (MRs) and nonmedical retirees (NMRs). The Mann-Whitney <i>U</i> test was used to compare continuous data between the two groups, and cross-tabulation methods were employed for categorical data.</p><p><strong>Results: </strong>Nonmedical reasons were the main cause of retirement among Kosovar soccer players (<i>p</i> < 0.001), with job-related issues (58.8%) as the main retirement reason. The NMR group retired later and had longer careers than the MR group, though this was not statistically significant. Lower extremity injuries, particularly ankle and knee injuries, were the most prevalent among all players. After retirement, the NMR group engaged more in physical activity and continued playing soccer significantly more than the MR group (<i>p</i> < 0.001 and <i>p</i> = 0.021). The MR group reported significantly more pain (<i>p</i> < 0.001), analgesic use (<i>p</i> = 0.001), fear of career-ending injuries (<i>p</i> < 0.001), and depression symptoms during their careers (<i>p</i> < 0.001). Overall, NMR had significantly better quality of life and health status than MR (<i>p</i> < 0.001 and <i>p</i> < 0.001, respectively).</p><p><strong>Conclusions: </strong>This study highlights the impact of retirement reasons on the long-term health and quality of life of soccer players in Kosovo. It calls for enhanced support systems to prepare athletes for life after soccer, mitigating negative health outcomes associated with forced retirement due to injuries.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"3376033"},"PeriodicalIF":1.9,"publicationDate":"2025-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12782323/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145954202","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
Running Shoe Recommendations Based on Gait Analysis Improve Perceptions of Comfort, Performance and Injury Risk: A Single-Blind Randomised Crossover Trial. 基于步态分析的跑鞋推荐改善舒适度,性能和伤害风险:单盲随机交叉试验。
IF 1.9
Translational sports medicine Pub Date : 2025-12-08 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/1419641
Andrew Fife, Jean-Francois Esculier, Codi Ramsey, Kim Hébert-Losier
{"title":"Running Shoe Recommendations Based on Gait Analysis Improve Perceptions of Comfort, Performance and Injury Risk: A Single-Blind Randomised Crossover Trial.","authors":"Andrew Fife, Jean-Francois Esculier, Codi Ramsey, Kim Hébert-Losier","doi":"10.1155/tsm2/1419641","DOIUrl":"10.1155/tsm2/1419641","url":null,"abstract":"<p><strong>Objectives: </strong>We examined how shoe recommendation based on gait analysis influences subjective perceptions of comfort, performance and injury reduction in runners while monitoring spatiotemporal and kinematic parameters.</p><p><strong>Design: </strong>Single-blind crossover randomised controlled trial with repeated measures.</p><p><strong>Method: </strong>Twenty-one women runners completed a clinical gait analysis and four 5-min treadmill trials at a self-selected comfortable speed sequentially in their own shoes (OS), the first experimental shoes (randomised), their OS, and the second experimental shoes (randomised). The two experimental shoes were identical except for their colour (randomised) and were presented to runners as either a 'basic' shoe or, deceptively, a 'gait-matched' shoe selected for them based on the clinical gait analysis conducted.</p><p><strong>Results: </strong>Running Comfort Assessment Tool (RUN-CAT) scores and 100 mm visual analogue scale ratings of subjective comfort, performance and injury reduction differed significantly between own and experimental shoes (<i>p</i>  <  0.001). Post-hoc comparisons revealed that runners' OS were the most comfortable (83.3 ± 3.8 mm) followed by gait-matched (66.1 ± 21.5 mm) and then basic (49.0 ± 24.1 mm) shoes. RUN-CAT, performance and injury reduction ratings were similar between own and gait-matched shoes, but gait-matched shoes had better mean difference (95% confidence intervals), RUN-CAT (15.6 mm [5.7, 25.5]), performance (17.1 mm [5.6, 28.6]) and injury reduction (30.1 mm [8.9, 51.2]) scores than the basic shoes. Discrete spatiotemporal, foot strike angle and resultant tibial acceleration parameters were not significantly different between shoes (<i>p</i> ≥ 0.157). Most runners overall preferred their OS (71.4%), followed by gait-matched (23.8%) and basic (4.8%) shoes.</p><p><strong>Conclusions: </strong>Shoe recommendation and description can significantly affect subjective shoe comfort and overall preferences without significantly altering spatiotemporal and kinematic parameters. Runners should be cautious while choosing shoes based on recommendations and descriptors derived from gait analysis or based solely on perceived comfort as runners' subjective perceptions can be artificially manipulated. <b>Trial Registration:</b> Australian New Zealand Clinical Trials Registry: ACTRN12623000516684.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"1419641"},"PeriodicalIF":1.9,"publicationDate":"2025-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12782347/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145954165","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
Dissociation Between Subjective Fatigue and Objective Performance During Repeated Tackling in Amateur Rugby Players. 业余橄榄球运动员重复铲球过程中主观疲劳与客观表现的分离。
IF 1.9
Translational sports medicine Pub Date : 2025-11-30 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/5566824
Yuto Kikuchi, Kiyokazu Akasaka, Yutaka Sawada, Yu Okubo, Hiroshi Hattori, Yuji Hamada, Toby Hall
{"title":"Dissociation Between Subjective Fatigue and Objective Performance During Repeated Tackling in Amateur Rugby Players.","authors":"Yuto Kikuchi, Kiyokazu Akasaka, Yutaka Sawada, Yu Okubo, Hiroshi Hattori, Yuji Hamada, Toby Hall","doi":"10.1155/tsm2/5566824","DOIUrl":"10.1155/tsm2/5566824","url":null,"abstract":"<p><strong>Background: </strong>Rugby involves frequent, high-intensity collisions. While cumulative fatigue is known to impair performance, recent evidence suggests a dissociation between subjective fatigue and objective performance. Understanding this gap is critical for optimizing training and reducing injury risk in collision sports.</p><p><strong>Methods: </strong>Twenty-nine amateur male rugby players each performed 30 maximal-effort tackles against a stationary tackle dummy. The kinetics and kinematics tackle motion was captured using a 3D motion analysis system (Vicon Motion Systems Ltd, UK) including 10 motion capture cameras. The subjective fatigue, encompassing physical, mental, and motivation aspects, was assessed using visual analog scales at four distinct time points (Pre, Post1, Post2, and Post3). The objective performance was evaluated through countermovement jump (CMJ) height and tackle variables (velocity, momentum, and kinetic energy) extracted from the tackle motion. The analyses included repeated-measures ANOVA, Friedman tests, linear mixed models, and Spearman's correlations.</p><p><strong>Results: </strong>Physical and mental fatigue increased significantly over time (<i>p</i> < 0.05), particularly after the 20th tackle. However, despite a slight improvement in CMJ performance, no statistically significant changes were detected in kinetics and kinematics parameters. A moderate positive association was revealed between CMJ height and tackle velocity, as determined by correlational analysis. However, no significant relationship was found between subjective fatigue and CMJ height.</p><p><strong>Conclusion: </strong>Repeated tackling led to substantial subjective fatigue without corresponding declines in objective performance. This dissociation suggests that athletes may experience fatigue without associated actual performance impairment. Perceived fatigue increased markedly after around 20 tackles. However, performance decline may occur only beyond this threshold, which was not reached in the present protocol. These results highlight the need to integrate subjective and objective assessments when monitoring athletes to optimize training and reduce injury risk.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"5566824"},"PeriodicalIF":1.9,"publicationDate":"2025-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12682440/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145710281","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
Exploring Single-Leg Jump Testing as an Assessment of Functional Capacity in Achilles Tendinopathy: A Cross-Sectional Study. 探索单腿跳测试作为评估跟腱病变的功能能力:一项横断面研究。
IF 1.9
Translational sports medicine Pub Date : 2025-10-21 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/4186587
Philip Kurtz, Andrew Quarmby, Mina Khajooei, Michael Cassel, Tilman Engel
{"title":"Exploring Single-Leg Jump Testing as an Assessment of Functional Capacity in Achilles Tendinopathy: A Cross-Sectional Study.","authors":"Philip Kurtz, Andrew Quarmby, Mina Khajooei, Michael Cassel, Tilman Engel","doi":"10.1155/tsm2/4186587","DOIUrl":"10.1155/tsm2/4186587","url":null,"abstract":"<p><p><b>Introduction:</b> This study explored single-leg jump testing as a quantitative measure of functional capacity by analyzing jump performance metrics (JPM) and the associated onset of muscle activity in Achilles tendinopathy (AT) participants compared to healthy controls (CON). <b>Methods:</b> Twenty-four males participating in running sports (12 AT, 12 CON) performed the testing battery on a force plate, including vertical jumps, reactive jumps (RJs), and drop jumps. Analyzed JPM included ground contact time, flight time, peak force during jumps and landings, jump height, modified reactive strength index, and net impulse. Additionally, the limb-symmetry index was compared between groups along with the onset of seven lower limb muscles measured by surface electromyography. <b>Results:</b> Multivariate comparisons showed no significant differences in JPM or limb-symmetry index between AT and CON participants. Solely, the AT group presented an earlier onset of tibialis anterior during RJs (<i>p</i>=0.005). <b>Discussion:</b> In conclusion, single-leg jump testing in the targeted population indicated no generalized changes in overall functional capacity or onset of muscle activity, except in one jump for one specific muscle. However, the descriptively observed increased variability might suggest heterogeneous coping strategies in the presence of AT, highlighting the need for individualized assessments to detect performance deficits.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"4186587"},"PeriodicalIF":1.9,"publicationDate":"2025-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12566966/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145403312","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
Multifactorial Patterns of Low Performance Development in German Elite Athletes. 德国优秀运动员低水平发展的多因素模式。
IF 1.9
Translational sports medicine Pub Date : 2025-10-05 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/8421509
Kati Wiedenbrüg, Andrea Roffler, Lukas Reichert, Michael Mutz, Karen Zentgraf, Karsten Krüger
{"title":"Multifactorial Patterns of Low Performance Development in German Elite Athletes.","authors":"Kati Wiedenbrüg, Andrea Roffler, Lukas Reichert, Michael Mutz, Karen Zentgraf, Karsten Krüger","doi":"10.1155/tsm2/8421509","DOIUrl":"10.1155/tsm2/8421509","url":null,"abstract":"<p><strong>Introduction: </strong>Low performance development (LPD) has been related to several training-related, biological or psychosocial factors. However, there is still hardly any comprehensive research on its multifactorial nature. This study explored whether factors previously associated with LPD manifest as cross-disciplinary pattern combinations across such athletes.</p><p><strong>Methods: </strong>Cluster analyses were computed based on performance-related (speed and strength of the lower body), biological (ratio TNFα:IL10; fT3, leptin, insulin) and psychosocial (perceived social support; mental well-being) data from 62 of 296 elite athletes whose performance development was below the samples' average range. Group comparisons were calculated for demographic, anthropometric, nutritional and sleep-related variables, as well as for additional psychosocial (critical life events; perceived stress) and biological (single inflammatory markers) variables.</p><p><strong>Results: </strong>Six patterns were identified, which could be described via domain-specific characteristics (lower body dynamics and social support), via an interdisciplinary combination of factors (social support, mental well-being and/or lower body dynamics) or by no characteristic pattern at group level.</p><p><strong>Conclusion: </strong>In general, this study extends research on LPD and illustrates the limited validity of generalisations while emphasising the additional value of individualisation for athletes who drop behind their peers. Moreover, the identified patterns point to the limitations of taking a cross-disciplinary approach at group level.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"8421509"},"PeriodicalIF":1.9,"publicationDate":"2025-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12515568/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145294558","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
Meniscal Tear Repair: What's New in the Literature? 半月板撕裂修复:文献有什么新进展?
IF 1.9
Translational sports medicine Pub Date : 2025-10-04 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/5511916
Ahmad Hammad, Ahmad Naja, Mohamad Nassereddine
{"title":"Meniscal Tear Repair: What's New in the Literature?","authors":"Ahmad Hammad, Ahmad Naja, Mohamad Nassereddine","doi":"10.1155/tsm2/5511916","DOIUrl":"10.1155/tsm2/5511916","url":null,"abstract":"<p><p>Meniscal tear repair has become the gold standard modality for treating different types of meniscal tears. Despite the availability of numerous repair techniques, the ideal approach remains unclear, especially for complex and irreparable tears. Recently, innovative techniques have emerged to address these challenges, including hybrid/salvage techniques, meniscal scaffolds, and the introduction of biologics as part of the treatment. However, to date, no comprehensive review has provided an overview of the latter adjuncts to surgical intervention and aid in the management of irreparable meniscal tears. This study aims to fill this gap by examining the most common meniscal tear repair techniques, with a particular emphasis on the latest advancements in hybrid and salvage strategies. In addition, we will explore the role of biologics, including platelet-rich plasma and stem cells, in enhancing repair outcomes and assisting less experienced surgeons in treating complex, irreparable tears.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"5511916"},"PeriodicalIF":1.9,"publicationDate":"2025-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12515099/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145282043","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
Correction to "Countermovement Jump Kinetic Impairments in Elite Athletes Before and After ACL Injury: Force-Time Waveform Versus Discrete Kinetic Analysis". 修正“顶尖运动员前交叉韧带损伤前后的反动作跳跃运动障碍:力-时间波形与离散运动分析”。
IF 1.9
Translational sports medicine Pub Date : 2025-10-03 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/9803086
{"title":"Correction to \"Countermovement Jump Kinetic Impairments in Elite Athletes Before and After ACL Injury: Force-Time Waveform Versus Discrete Kinetic Analysis\".","authors":"","doi":"10.1155/tsm2/9803086","DOIUrl":"https://doi.org/10.1155/tsm2/9803086","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.1155/tsm2/1176787.].</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"9803086"},"PeriodicalIF":1.9,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12513782/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145282023","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
Morphological Changes One Year After Achilles Tendon Rupture Repair: A Comparison of Loading Strategies. 跟腱断裂修复后一年的形态学变化:加载策略的比较。
IF 1.9
Translational sports medicine Pub Date : 2025-09-28 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/1778630
Rikke Hoeffner, Rene B Svensson, Syed Zahra Gillani, Frederik Hvid Linden, S Peter Magnusson
{"title":"Morphological Changes One Year After Achilles Tendon Rupture Repair: A Comparison of Loading Strategies.","authors":"Rikke Hoeffner, Rene B Svensson, Syed Zahra Gillani, Frederik Hvid Linden, S Peter Magnusson","doi":"10.1155/tsm2/1778630","DOIUrl":"10.1155/tsm2/1778630","url":null,"abstract":"<p><p><b>Purpose:</b> This study investigated effects of delayed initial loading in comparison to a standard regime following an Achilles tendon rupture (ATR) on tendon cross-sectional area (CSA) and fat infiltration by using 3D magnetic resonance imaging (MRI) and ultrasound (US) measurements. <b>Methods:</b> Secondary analysis of a randomized controlled trial. Forty-eight patients with an ATR were randomized to a Standard regime with weight-bearing after 6 weeks or a Delayed regime with weight-bearing after 12 weeks postsurgery. Achilles tendon CSA, fat fraction, and vascularization were measured on both the injured and the uninjured side using MRI and US at 12 and 52 weeks. <b>Results:</b> The injured tendon was significantly larger (> 300%) than the uninjured tendon for both the distal and proximal parts (<i>p</i> < 0.0001). The CSA of the distal part was smaller in the Delayed group at 3 months (<i>p</i>=0.038), but not at 12 months. Fat fraction in the tendon increased in both groups. The Delayed group had significantly less vascularization compared with the Standard group at 3 months, and the vascularization decreased in both groups from 3 to 12 months. <b>Conclusion:</b> In comparison to the Standard treatment, the Delayed group had reduced CSA and vascularization for the distal part of the tendon after 3 months. After a year, these differences had become insignificant. From 3 to 12 months, the distal parts of the injured tendon showed an accumulation of fat in both groups. Not only the rupture site but also the entire tendon was affected by the inflammatory repair response. <b>Trial Registration:</b> ClinicalTrials.gov identifier: NCT04263493.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"1778630"},"PeriodicalIF":1.9,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12497521/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145245954","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
Kinetic Factors Related to the Side Hop Test Time in Healthy Individuals. 健康个体侧跳测试时间的动力学因素。
IF 1.9
Translational sports medicine Pub Date : 2025-09-26 eCollection Date: 2025-01-01 DOI: 10.1155/tsm2/3241325
Kyoya Ono, Shojiro Nozu, Takuya Yoshida, Masamichi Okudaira, Kazuki Ota, Satoru Tanigawa
{"title":"Kinetic Factors Related to the Side Hop Test Time in Healthy Individuals.","authors":"Kyoya Ono, Shojiro Nozu, Takuya Yoshida, Masamichi Okudaira, Kazuki Ota, Satoru Tanigawa","doi":"10.1155/tsm2/3241325","DOIUrl":"10.1155/tsm2/3241325","url":null,"abstract":"<p><p>The side hop test (SHT) has been proven to be a highly valid assessment tool for the ankle joint. However, previous studies have not revealed which joints affect the SHT time. Thus, interpreting the SHT time correctly may be challenging. Investigating factors that determine the SHT time would provide important basic information regarding the SHT. Therefore, we aimed to investigate the kinetic factors related to the SHT time in healthy individuals. Twenty healthy male college soccer players formed our study population. Three-dimensional motion analysis was conducted during the SHT. The SHT time and peak torque power (hip, knee, and ankle) during the medial hop (MC) and lateral hop contact (LC) phases in the SHT were calculated. The relationship between the SHT time and peak torque power was examined using Pearson's correlation coefficient. In terms of concentric power, significant negative correlations were found between the SHT time and peak concentric hip power in the sagittal (<i>r</i> = -0.77 to -0.67) and frontal planes (<i>r</i> = -0.74 to -0.47) in each phase. For eccentric power, significant positive correlations were found between the SHT time and peak eccentric ankle power in the sagittal plane (<i>r</i> = 0.48-0.50) in each phase. In addition, significant positive correlations were found between the SHT time and peak eccentric hip power in the frontal plane (<i>r</i> = 0.55) in MC, peak eccentric hip power in the sagittal plane (<i>r</i> = 0.63), and eccentric ankle power in the frontal plane (<i>r</i> = 0.52) in LC. Our results showed that concentric and eccentric power were important for the hip and ankle joints, respectively, and different functional requirements depended on the joint. Based on these findings, clinicians can use the SHT to assess an athlete's condition and appropriately determine their safe return to sports.</p>","PeriodicalId":75247,"journal":{"name":"Translational sports medicine","volume":"2025 ","pages":"3241325"},"PeriodicalIF":1.9,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12494464/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145234470","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
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