Nikolaos P Belechris, Gregory C Bogdanis, Elias Zacharogiannis, Athanasios Tsoukos, Giorgos Paradisis
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During the RS test, SPRs displayed a 16.6% performance decrement (<i>p</i> = 0.002) and failed to complete all sprints with voluntary withdrawal after 5-8 sprints due to exhaustion, whereas MDRs maintained consistent performance. SPRs exhibited a larger decrease in v<sub>0</sub> compared to MDRs (<i>p</i> < 0.01), whereas no differences were observed on F<sub>0</sub> (<i>p</i> = 0.519) and P<sub>max</sub> (<i>p</i> = 0.758). Blood lactate accumulation was higher in SPRs (<i>p</i> < 0.001). Multiple linear regression analysis on the pooled sample identified vVO<sub>2</sub>max (<i>p</i> = 0.003) and not ASR (<i>p</i> = 0.482) as a key predictor of fatigue resistance. <b>Conclusions:</b> These findings underscore the critical role of aerobic capacity in sustaining RS performance. Aerobic capacity, specifically vVO<sub>2</sub>max, emerged as the primary determinant of fatigue resistance during repeated sprints, underscoring its critical role in sustaining RS performance over mechanical variables such as v<sub>0</sub> but not F<sub>0</sub> and P<sub>max</sub>.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5000,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452631/pdf/","citationCount":"0","resultStr":"{\"title\":\"Impact of Aerobic Capacity on Mechanical Variables in Track Sprinters and Middle-Distance Runners: A Comparative Study.\",\"authors\":\"Nikolaos P Belechris, Gregory C Bogdanis, Elias Zacharogiannis, Athanasios Tsoukos, Giorgos Paradisis\",\"doi\":\"10.3390/jfmk10030342\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p><b>Background:</b> This study examined the impact of aerobic capacity on force-velocity (F-v) variables and repeated-sprint (RS) performance in male national-level sprinters (SPRs, <i>n</i> = 8; 177.0 ± 4.3 cm; 74.0 ± 5.0 kg; maximal oxygen uptake [VO<sub>2</sub>max]: 55.4 ± 3.0 mL/kg/min) and middle-distance runners (MDRs; <i>n</i> = 8; 179.0 ± 5.1 cm; 67.2 ± 5.0 kg; VO<sub>2</sub>max: 64.3 ± 3.3 mL/kg/min). <b>Method:</b> Participants underwent assessments of aerobic capacity, mechanical F-v profiling in sprinting 2 × 60 m with full recovery, and a 10 × 60 m repeated-sprint test with 30 s recovery. <b>Results:</b> MDRs exhibited significantly higher VO<sub>2</sub>max (<i>p</i> < 0.001) and speed at VO<sub>2</sub>max (vVO<sub>2</sub>max, <i>p</i> < 0.001), while SPRs demonstrated greater anaerobic speed reserve (ASR, <i>p</i> < 0.001), maximal theoretical horizontal force (F<sub>0</sub>, <i>p</i> = 0.012), and power output (P<sub>max</sub>, <i>p</i> < 0.01). During the RS test, SPRs displayed a 16.6% performance decrement (<i>p</i> = 0.002) and failed to complete all sprints with voluntary withdrawal after 5-8 sprints due to exhaustion, whereas MDRs maintained consistent performance. SPRs exhibited a larger decrease in v<sub>0</sub> compared to MDRs (<i>p</i> < 0.01), whereas no differences were observed on F<sub>0</sub> (<i>p</i> = 0.519) and P<sub>max</sub> (<i>p</i> = 0.758). Blood lactate accumulation was higher in SPRs (<i>p</i> < 0.001). Multiple linear regression analysis on the pooled sample identified vVO<sub>2</sub>max (<i>p</i> = 0.003) and not ASR (<i>p</i> = 0.482) as a key predictor of fatigue resistance. <b>Conclusions:</b> These findings underscore the critical role of aerobic capacity in sustaining RS performance. 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引用次数: 0
摘要
背景:本研究考察了有氧能力对男性国家级短跑运动员(SPRs, n = 8; 177.0±4.3 cm; 74.0±5.0 kg;最大摄氧量[VO2max]: 55.4±3.0 mL/kg/min)和中长跑运动员(MDRs, n = 8; 179.0±5.1 cm; 67.2±5.0 kg; VO2max: 64.3±3.3 mL/kg/min)的力-速度(F-v)变量和重复冲刺(RS)表现的影响。方法:对参与者进行有氧能力评估,2 × 60米完全恢复的机械F-v分析,以及10 × 60米30秒恢复的重复冲刺测试。结果:mdr具有更高的VO2max (p < 0.001)和VO2max速度(vVO2max, p < 0.001),而SPRs具有更高的厌氧速度储备(ASR, p < 0.001),最大理论水平力(F0, p = 0.012)和功率输出(Pmax, p < 0.01)。在RS测试中,SPRs表现出16.6%的性能下降(p = 0.002),并且在5-8个sprint后由于精疲力竭而无法完成所有的sprint,而mdr则保持一致的性能。与mdr相比,SPRs在v0上有较大的下降(p < 0.01),而在F0 (p = 0.519)和Pmax (p = 0.758)上无差异。SPRs组血乳酸积累较高(p < 0.001)。对合并样本进行多元线性回归分析,发现vVO2max (p = 0.003)而非ASR (p = 0.482)是疲劳抗力的关键预测因子。结论:这些发现强调了有氧能力在维持RS表现中的关键作用。有氧能力,特别是vVO2max,在重复冲刺中成为抗疲劳的主要决定因素,强调了它在维持RS表现方面的关键作用,而不是机械变量,如v0,而不是F0和Pmax。
Impact of Aerobic Capacity on Mechanical Variables in Track Sprinters and Middle-Distance Runners: A Comparative Study.
Background: This study examined the impact of aerobic capacity on force-velocity (F-v) variables and repeated-sprint (RS) performance in male national-level sprinters (SPRs, n = 8; 177.0 ± 4.3 cm; 74.0 ± 5.0 kg; maximal oxygen uptake [VO2max]: 55.4 ± 3.0 mL/kg/min) and middle-distance runners (MDRs; n = 8; 179.0 ± 5.1 cm; 67.2 ± 5.0 kg; VO2max: 64.3 ± 3.3 mL/kg/min). Method: Participants underwent assessments of aerobic capacity, mechanical F-v profiling in sprinting 2 × 60 m with full recovery, and a 10 × 60 m repeated-sprint test with 30 s recovery. Results: MDRs exhibited significantly higher VO2max (p < 0.001) and speed at VO2max (vVO2max, p < 0.001), while SPRs demonstrated greater anaerobic speed reserve (ASR, p < 0.001), maximal theoretical horizontal force (F0, p = 0.012), and power output (Pmax, p < 0.01). During the RS test, SPRs displayed a 16.6% performance decrement (p = 0.002) and failed to complete all sprints with voluntary withdrawal after 5-8 sprints due to exhaustion, whereas MDRs maintained consistent performance. SPRs exhibited a larger decrease in v0 compared to MDRs (p < 0.01), whereas no differences were observed on F0 (p = 0.519) and Pmax (p = 0.758). Blood lactate accumulation was higher in SPRs (p < 0.001). Multiple linear regression analysis on the pooled sample identified vVO2max (p = 0.003) and not ASR (p = 0.482) as a key predictor of fatigue resistance. Conclusions: These findings underscore the critical role of aerobic capacity in sustaining RS performance. Aerobic capacity, specifically vVO2max, emerged as the primary determinant of fatigue resistance during repeated sprints, underscoring its critical role in sustaining RS performance over mechanical variables such as v0 but not F0 and Pmax.