International journal of sports medicine最新文献

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Sarcopenia: an Aging Perspective and Management Options. 骨骼肌减少症:衰老的观点和管理选择。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-10-01 Epub Date: 2025-04-08 DOI: 10.1055/a-2577-2577
Ana M Teixeira, Shiva E Nosrani, Mohsen Parvani, João Viola, Shaghayegh Mohammadi
{"title":"Sarcopenia: an Aging Perspective and Management Options.","authors":"Ana M Teixeira, Shiva E Nosrani, Mohsen Parvani, João Viola, Shaghayegh Mohammadi","doi":"10.1055/a-2577-2577","DOIUrl":"10.1055/a-2577-2577","url":null,"abstract":"<p><p>There is no doubt that sarcopenia is one of the most defining characteristics of aging that negatively impacts the people's health and quality of life. The condition is characterized by the progressive and generalized loss of muscle mass and strength, affecting physical performance. It is part of aging but can be exacerbated by pathophysiological conditions like cancer and several factors such as a sedentary lifestyle, poor nutrition, chronic diseases, falls and immobilization. Numerous cellular mechanisms have been implicated in its pathogenesis, including hormonal changes, mitochondrial dysfunctions, altered apoptotic and autophagic signaling, muscle fiber composition, and inflammatory pathways. To prevent sarcopenia, exercise is one of the most effective strategies as it has a strong influence on both anabolic and catabolic muscle pathways and helps improve skeletal muscle function. A well-rounded, multicomponent exercise program that targets muscle strength, aerobic capacity, and balance is recommended for optimal results. While nutrition is essential for muscle maintenance, relying solely on dietary interventions is unlikely to fully address sarcopenia. Therefore, a combination of adequate nutrition and regular exercise is recommended to promote muscle health and function. The purpose of this study is to review sarcopenia from an aging viewpoint and discuss the role of exercise and nutrition as prevention and management options.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":"789-808"},"PeriodicalIF":2.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143811451","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}
引用次数: 0
Effect of Exercise Training on Apolipoproteins: Meta-analysis and Trial Sequence Analysis. 运动训练对载脂蛋白的影响:荟萃分析和试验序列分析。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-10-01 Epub Date: 2025-04-09 DOI: 10.1055/a-2580-0722
David Downes, Stephen Goodman, Thomas van der Touw, Kayode Ahmed, Mansueto Gomes Neto, Mitchell Wolden, Neil Andrew Smart
{"title":"Effect of Exercise Training on Apolipoproteins: Meta-analysis and Trial Sequence Analysis.","authors":"David Downes, Stephen Goodman, Thomas van der Touw, Kayode Ahmed, Mansueto Gomes Neto, Mitchell Wolden, Neil Andrew Smart","doi":"10.1055/a-2580-0722","DOIUrl":"10.1055/a-2580-0722","url":null,"abstract":"<p><p>We conducted a systematic review and meta-analysis of the effect of exercise training on common lipid subunits. We systematically searched PubMed, Web of Science and the Cochrane Library of Controlled Trials for randomized, controlled trials of exercise training versus sedentary controls that reported lipid subunits including apolipoprotein-AI, apolipoprotein-AII, apolipoprotein-B, high density cholesterol-2, high density cholesterol-3 and lipoprotein (a) up until January 31, 2024. Our search identified 2,363 potential studies. We included 25 studies with 34 intervention groups, and a total of 1,429 participants, 775 exercise training and 654 control. We found significant favourable anti-atherogenic changes in apolipoprotein-AI with a mean difference of 8.17 mg/dL and a 95% confidence interval of 5.80-10.55, lipoprotein (a) with a mean difference of -2.52 mg/dL and a 95% confidence interval of -4.33 to -0.72), apolipoprotein-B with a mean difference of -0.11 mg/dL and a 95% confidence interval 0f -0.19 to -0.04, and high density cholesterol-2 with a mean difference of 1.28 mg/dL and a 95% CI of 0.28-2.28. Our trial sequence analysis showed that futility was achieved for apolipoprotein-AI, but not for lipoprotein (a), apolipoprotein-B and high density cholesterol-2. The minimal clinically important differences for apolipoprotein-AI, lipoprotein (a), apolipoprotein-B and high density cholesterol-2 were 0.76, 0.46, 0.02 and 0.26 mg/dL, respectively. Analyses of apolipoprotein-AII and high density cholesterol-3 were not significant and these trial sequence analyses failed to show futility. Exercise training produces significant improvements in apolipoprotein-AI, lipoprotein (a), apolipoprotein-B and high density cholesterol-2, with the minimal clinically important differences being achieved. The effect of exercise training on apolipoprotein-AII and high density cholesterol-3 is unclear.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":"858-871"},"PeriodicalIF":2.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143969982","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}
引用次数: 0
Biological sex differences in fatigue in resistance-trained individuals: A scoping review. 抗阻训练个体疲劳的生理性别差异:范围综述。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-10-01 Epub Date: 2025-03-20 DOI: 10.1055/a-2563-9449
Christian Houmann Amdi, Jackson Fyfe, SangHoon Yoon, Greg Nuckols, Martin Refalo
{"title":"Biological sex differences in fatigue in resistance-trained individuals: A scoping review.","authors":"Christian Houmann Amdi, Jackson Fyfe, SangHoon Yoon, Greg Nuckols, Martin Refalo","doi":"10.1055/a-2563-9449","DOIUrl":"10.1055/a-2563-9449","url":null,"abstract":"<p><p>Females may experience less neuromuscular fatigue and improved recovery following resistance training than males; however, it is unclear whether this applies to resistance-trained individuals. A systematic scoping review was performed to map the evidence on sex differences in fatigue during and following resistance training in trained participants. PubMed, CINAHL and SPORTDiscus were searched following PRISMA-ScR guidelines. The protocol was prospectively registered. Of the 4,020 identified articles, 34 were included. These studies assessed sex differences in fatigue using various measures during single and multiple resistance training sets, performance relative to the baseline at various time points (0-5 min, 1-6 h, 24 h, and 48-96 h after resistance training), and metabolic responses. Substantial heterogeneity in study design and results were observed. Together, most studies found minor-to-no sex differences in neuromuscular fatigue, but some evidence of greater fatigability in males during or immediately following resistance training were found when (1) more complex free-weight exercises were performed with moderate loads, (2) rest periods were shorter, and (3) males were substantially stronger than females in relative terms, among others. Future investigations should explore the impact of training variables and habitual training on fatigue in males and females of comparable relative strength and technical proficiency.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":"809-816"},"PeriodicalIF":2.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143669833","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}
引用次数: 0
Association of Phase Angle with Exercise Performance in Adolescent Female Basketball Players. 青少年女子篮球运动员相位角与运动成绩的关系。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-10-01 Epub Date: 2025-04-15 DOI: 10.1055/a-2588-0682
Keisuke Shiose, Taiki Yamamoto, Taijiro Hide, Yukiya Tanoue, Rie Tomiga-Takae, Atsuya Yamashita, Ryoma Michishita, Yasuki Higaki, Yoshinari Uehara
{"title":"Association of Phase Angle with Exercise Performance in Adolescent Female Basketball Players.","authors":"Keisuke Shiose, Taiki Yamamoto, Taijiro Hide, Yukiya Tanoue, Rie Tomiga-Takae, Atsuya Yamashita, Ryoma Michishita, Yasuki Higaki, Yoshinari Uehara","doi":"10.1055/a-2588-0682","DOIUrl":"10.1055/a-2588-0682","url":null,"abstract":"<p><p>The phase angle measured by bioelectrical impedance analysis is a potential indicator of exercise performance. Owing to the lack of studies on adolescent female athletes, this study aimed to investigate the relationship between whole-body and regional phase angles and exercise performance in adolescent female basketball players. Forty-five female basketball players (aged 16.6±0.6 y) participated in this study. Lean soft tissue and phase angles for the whole-body, upper limb, and lower limb were assessed using the bioelectrical impedance analysis method. Participants performed maximal isometric knee extension and flexion strength, 20-m sprint, a vertical jump, an agility <i>T</i>-test, and a 20-m shuttle run test. The phase angle for the whole-body and the phase angle for the upper limb, but not the phase angle for the lower limb, were significantly correlated with the 20-m sprint and endurance capacity (all <i>p</i><0.01). Even after adjusting for age and lean soft tissue in multiple regression analysis, the phase angle for the whole-body and the phase angle for the upper limb remained a significant predictor of these parameters (all <i>p</i><0.05). The phase angle for the upper limb, combined with age and lean soft tissue, explained endurance capacity similarly to the phase angle for the whole-body (adjusted <i>R</i> <sup>2</sup>: 0.24 vs. 0.23) but was better for the 20-m sprint (adjusted <i>R</i> <sup>2</sup>: 0.26 vs. 0.11). Both whole-body and regional phase angles are associated with sprint and aerobic performance in adolescent female basketball players. However, the regional phase angle can be an equivalent or superior predictor of these performance parameters compared with the whole-body phase angle.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":"850-857"},"PeriodicalIF":2.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143990291","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}
引用次数: 0
Research on Injury Risk of Elite Male Athletes in Racing Ice Sports based on Blood Indexes. 基于血液指数的冰上竞速运动精英男子运动员受伤风险研究。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-10-01 Epub Date: 2024-08-26 DOI: 10.1055/a-2403-9752
Fuhong Wang, Junjie Cui, Yinming Wu, HaoMeng Chen, Ping Hong, Xue Li
{"title":"Research on Injury Risk of Elite Male Athletes in Racing Ice Sports based on Blood Indexes.","authors":"Fuhong Wang, Junjie Cui, Yinming Wu, HaoMeng Chen, Ping Hong, Xue Li","doi":"10.1055/a-2403-9752","DOIUrl":"10.1055/a-2403-9752","url":null,"abstract":"<p><p>This study aims to explore the relationship between blood biochemical indexes and injury risk for elite male athletes in racing ice sports. The study compared the demographic indexes, monthly injuries, and longitudinal tracking data for the athletes. The non-linear relationship was analyzed using an unrestricted cubic spline. Generalized estimating equations were used to estimate the relative risk (OR) of injury occurrence. Receiver operating characteristics and the area under the curve determined diagnostic accuracy. In the snow sledding group, when creatine kinase rises to 489.46 u/L or testosterone decreases to 41.32 ng/ml, the risk increases by 1.70 times (OR=1.70, p<0.001) and 1.69 times (OR=1.69, p<0.001) with statistical significance. The creatine kinase (OR=1.01, P=0.007) and testosterone (OR=1.00, P<0.001) were included in the injury prediction model. The model exhibits excellent discrimination, with sensitivity and specificity of 82.8% and 86.5%, respectively. In the ice skating group, when creatine kinase rises to 467.00 u/L, the risk increases by 2.56 times with statistical significance (OR=2.56, p<0.001). Creatine kinase (OR=1.01, P<0.001) was included in the predictive model. The model demonstrates good discrimination, with sensitivity and specificity of 90.5% and 66.7%, respectively. Creatine kinase and testosterone are the risk predictors of injury in elite snowmobile male athletes. Creatine kinase is an independent risk factor for injury in elite speed skaters.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":"840-849"},"PeriodicalIF":2.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142072758","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}
引用次数: 0
Correction: Effect of Exercise Training on Apolipoproteins: Meta-analysis and Trial Sequence Analysis. 修正:运动训练对载脂蛋白的影响:荟萃分析和试验序列分析。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-10-01 Epub Date: 2025-07-14 DOI: 10.1055/a-2645-0946
David Downes, Stephen Goodman, Thomas van der Touw, Kayode Ahmed, Mansueto Gomes Neto, Mitchell Wolden, Neil Andrew Smart
{"title":"Correction: Effect of Exercise Training on Apolipoproteins: Meta-analysis and Trial Sequence Analysis.","authors":"David Downes, Stephen Goodman, Thomas van der Touw, Kayode Ahmed, Mansueto Gomes Neto, Mitchell Wolden, Neil Andrew Smart","doi":"10.1055/a-2645-0946","DOIUrl":"10.1055/a-2645-0946","url":null,"abstract":"","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":"e3"},"PeriodicalIF":2.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144637019","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}
引用次数: 0
Caffeine supplementation for soccer: A review of strengths, limitations, and knowledge gaps. 咖啡因对足球的补充:优势,局限性和知识差距的回顾。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-09-24 DOI: 10.1055/a-2709-6847
Jason Tallis, Michael Duncan, Darren Richardson, Neil Clarke, Lucas Guimarães-Ferreira
{"title":"Caffeine supplementation for soccer: A review of strengths, limitations, and knowledge gaps.","authors":"Jason Tallis, Michael Duncan, Darren Richardson, Neil Clarke, Lucas Guimarães-Ferreira","doi":"10.1055/a-2709-6847","DOIUrl":"https://doi.org/10.1055/a-2709-6847","url":null,"abstract":"<p><p>Caffeine is a well-established ergogenic aid with a wealth of evidence demonstrating beneficial effects for physical performance, cognitive function and sport specific skills. Intuitively, it may be considered that such effects may translate to improved soccer specific performance, however, evidence examining the effects of caffeine on the interacting demands of soccer match play is sparse. Given that caffeine supplementation is highly prevalent in professional soccer, and in a number of cases practices adopted lack supporting evidence, this review evaluates the current state of the knowledge regarding the ergogenic potential of acute caffeine consumption specifically for soccer performance. Furthermore, this review identifies knowledge gaps to guide future research, and whilst considering the unique environmental constraints, uses the available evidence to develop practical guidelines for safe and effective use.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145137791","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}
引用次数: 0
Unilateral Resistance Training Can Be Tailored Using Lifting Velocity in Breast Cancer Patients. 单侧阻力训练可以根据乳腺癌患者的抬升速度进行调整。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-09-22 DOI: 10.1055/a-2685-3946
Francisco Franco-López, Alejandro Hernández-Belmonte, Ana Maria García-Segura, Alejandro Martínez-Cava, Jesús G Pallarés, Javier Courel-Ibañez
{"title":"Unilateral Resistance Training Can Be Tailored Using Lifting Velocity in Breast Cancer Patients.","authors":"Francisco Franco-López, Alejandro Hernández-Belmonte, Ana Maria García-Segura, Alejandro Martínez-Cava, Jesús G Pallarés, Javier Courel-Ibañez","doi":"10.1055/a-2685-3946","DOIUrl":"https://doi.org/10.1055/a-2685-3946","url":null,"abstract":"<p><p>We aimed to study the feasibility of velocity-based training (VBT) to individualize load and velocity loss (VL) during unilateral bench press (UBP) in breast cancer survivors, as well as to analyze possible asymmetries between their operated and non-operated limbs. Twelve post-surgical breast cancer survivors performed progressive UBP assessments with each arm up to one-repetition maximum (1RM) to determine individual load-velocity profiles. Mean propulsive velocity and mean velocity were modelled against%1RM using second-order polynomial regressions. In separate sessions, participants performed two sets per arm at 60-80% 1RM until reaching 40% VL. Repetition counts were compared between limbs. Strong associations were observed between velocity metrics and%1RM on both the operated and non-operated sides (<i>R</i> <sup>2</sup>≥0.92). Differences in velocity at matched relative loads were trivial (≤ 0.01 m/s, <i>p</i>≥0.448). The number of repetitions performed until reaching the VL threshold did not significantly differ between limbs (≤ 3 repetitions, <i>p</i>≥0.072). VBT is a feasible and effective method for individualized load and volume prescription during unilateral resistance training in breast cancer survivors. Load-velocity profiles and fatigue responses were symmetrical between operated and non-operated limbs, supporting the integration of VBT into rehabilitation and return-to-function programs in this population.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145124539","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}
引用次数: 0
Menstrual Cycle Does Not Affect Peak Torque or Fatigue in Resistance-Trained Women. 月经周期不影响阻力训练女性的峰值扭矩或疲劳。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-09-22 DOI: 10.1055/a-2688-5060
Leticia Velten, Raul Cosme Ramos Prado, Ana Luiza Pereira Conforti, Michely Vieira Andreatta, Carlos Brendo Ferreira Reis, Richard Diego Leite
{"title":"Menstrual Cycle Does Not Affect Peak Torque or Fatigue in Resistance-Trained Women.","authors":"Leticia Velten, Raul Cosme Ramos Prado, Ana Luiza Pereira Conforti, Michely Vieira Andreatta, Carlos Brendo Ferreira Reis, Richard Diego Leite","doi":"10.1055/a-2688-5060","DOIUrl":"10.1055/a-2688-5060","url":null,"abstract":"<p><p>The effects of estradiol and progesterone fluctuations during the menstrual cycle (MC) on strength and fatigue remain unclear. This study investigated their impact on peak torque and fatigue in isokinetic tests. Eleven strength-trained women performed five knee extensions and flexions to assess maximum peak torque, rating of perceived exertion (RPE), and rating of perceived pain (RPP). A separate protocol of 60 repetitions was used to evaluate peak torque, total work, percentage of work fatigue, RPE, RPP, and blood lactate concentration before and after exercise. MC phases were determined using a combination of calendar tracking, urinary ovulation tests, and serum hormone analysis. A one-way repeated-measures analysis of variance, followed by Bonferroni's post hoc tests and effect size calculations (partial eta-square), analyzed differences across six MC phases. No significant differences were observed in peak torque, RPE, or RPP during knee extension and flexion (<i>p</i>>0.05). Similarly, fatigue parameters assessed during the 60-repetition test showed no significant variation across MC phases (<i>p</i>>0.05). However, blood lactate concentrations were significantly higher postexercise than preexercise (<i>p</i><0.05). These findings suggest that strength performance and muscle fatigue are not influenced by hormonal fluctuations across the MC in strength-trained women.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144954325","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}
引用次数: 0
Muscle Volume Gain Following 20 Training Sessions on an Eccentric Arm-Crank Ergometer. 在偏心臂曲柄测力仪上进行20次训练后肌肉量增加。
IF 2.2 4区 医学
International journal of sports medicine Pub Date : 2025-09-18 DOI: 10.1055/a-2688-7592
Leonie Pfrunder, Vanessa Vallesi, Anneke Hertig-Godeschalk, Giuseppe Angelo Zito, Rajeev Kumar Verma, Claudio Perret, Fabian Ammann
{"title":"Muscle Volume Gain Following 20 Training Sessions on an Eccentric Arm-Crank Ergometer.","authors":"Leonie Pfrunder, Vanessa Vallesi, Anneke Hertig-Godeschalk, Giuseppe Angelo Zito, Rajeev Kumar Verma, Claudio Perret, Fabian Ammann","doi":"10.1055/a-2688-7592","DOIUrl":"https://doi.org/10.1055/a-2688-7592","url":null,"abstract":"<p><p>Eccentric resistance training is a promising strategy for achieving physiological benefits at lower cardiovascular and metabolic costs compared to traditional concentric training. Whereas lower-body eccentric training has been studied extensively, only little is known regarding upper-body eccentric strength training. This study assessed the impact of an eccentric arm-crank training on arm muscle volume. A total of 20 eccentric arm-crank training sessions were completed over a maximum of 12 weeks (2-3 trainings/wk). A training progression from 20 to 50% of the individual peak power and a duration from 8 to 14 minutes was applied. Before (\"pretest\") and after the training intervention phase (\"posttest\"), volume measurements using magnetic resonance imaging and circumference measurements of the upper arm were performed. Differences between pretest and posttest measurements were evaluated. Twelve healthy and physically active participants (median [Q1-Q3] age 28 [27-30] yr, nine females, three males) were included in the analysis. Relative muscle volume (+5.7%, <i>p</i>=0.002) and arm circumference (+3.2%, <i>p</i>=0.003) increased after the training intervention. Twenty eccentric arm-crank training sessions increased the muscle volume of the upper arm. Because eccentric training is associated with lower cardiovascular and metabolic demands, it is an attractive approach to improve upper-body strength. This training approach is especially interesting for individuals who rely on their upper body for daily activities, including wheelchair users. In the next step, the training protocol could be evaluated in this population across both rehabilitation and athletic settings.</p>","PeriodicalId":14439,"journal":{"name":"International journal of sports medicine","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145086079","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}
引用次数: 0
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