Schünemann Frederik, Park So-Young, Wawer Corinna, Theis Christian, Yang Woo-Hwi, Gehlert Sebastian
Department for Biosciences of Sports, Institute of Sport Science, University of Hildesheim, 31139 Hildesheim, Germany.
Graduate School of Sports Medicine, CHA University, Seongnam-si 13503, Republic of Korea.
Metabolites. 2023 Feb 21;13(3):317. doi: 10.3390/metabo13030317.
The diagnostics of anaerobic glycolytic metabolism which play a subordinate role in elite rowing and parameters such as maximum lactate accumulation rate () have thus far not been associated with ergometer rowing performance. The aim of the study was to quantify the glycolytic energy metabolism () during a 2000 m ergometer rowing time trial (RTT) and during a 10 s maximum ergometer rowing sprint test (RST) and to unravel associations between those variables and RTT performance. Combined post-exercise lactate measurements and oxygen uptake after RST and RTT were used to determine and glycolytic energy contribution () in seven male and three female German U 23 national rowers (N = 10, 19.8 ± 0.9 years, 183.2 ± 7.0 cm height, 79.9 ± 13.3 kg body mass, 16.4 ± 5.1 % body fat). during RTT ranged from 7 to 15.5% and between 0.25 and 0.66 mmol∙L∙s. correlated with ( < 0.05, = 0.74) and the mechanical power output (W) for the first 300 m (300) during RTT ( < 0.05, = 0.67). further correlated with ∆300 (W) for the first and last 300 m (300) during RTT ( < 0.01, = 0.87) and also within the subgroup of male rowers. displays a wide spectrum of individual differences in rowers. Due to this and its correlation to specific phases of RTT, it contributes to an individual energetic performance profile in rowing. Future studies must undermine the role of for exercise performance and whether it serves as a marker that can be specifically targeted for a training-induced increase or decrease.
无氧糖酵解代谢的诊断在精英赛艇运动中起次要作用，到目前为止，诸如最大乳酸积累率（）等参数尚未与测力计划船性能相关联。本研究的目的是量化2000米测力计划船计时赛（RTT）和10秒最大测力计划船冲刺测试（RST）期间的糖酵解能量代谢（），并揭示这些变量与RTT性能之间的关联。在七名德国U23男子国家队划手和三名德国U23女子国家队划手（N = 10，年龄19.8±0.9岁，身高183.2±7.0厘米，体重79.9±13.3千克，体脂16.4±5.1%）中，在RST和RTT后结合运动后乳酸测量和摄氧量来确定和糖酵解能量贡献（）。RTT期间的范围为7%至15.5%，介于0.25至0.66毫摩尔∙升∙秒之间。与（<0.05，= 0.74）以及RTT期间前300米（300）的机械功率输出（W）相关（<0.05，= 0.67）。还与RTT期间第一个和最后一个300米（300）的∆300（W）相关（<0.01，= 0.87），在男子划手亚组中也是如此。在划手中表现出广泛的个体差异。由于这一点及其与RTT特定阶段的相关性，它有助于形成划船运动中个体的能量性能特征。未来的研究必须确定对于运动表现的作用，以及它是否可作为一个标记，能够针对训练引起的增加或减少进行专门调整。
