Arsoniadis Gavriil G, Nikitakis Ioannis S, Botonis Petros G, Malliaros Ioannis, Toubekis Argyris G
Division of Aquatic Sports, School of Physical Education and Sports Science, National and Kapodistrian University of Athens, Dafne, 17237 Athens, Greece.
Sports Performance Laboratory, School of Physical Education and Sport Science, National and Kapodistrian University of Athens, Dafne, 17237 Athens, Greece.
Sports (Basel). 2020 Feb 18;8(2):23. doi: 10.3390/sports8020023.
Physiological and biomechanical parameters obtained during testing need validation in a training setting. The purpose of this study was to compare parameters calculated by a 5 × 200-m test with those measured during an intermittent swimming training set performed at constant speed corresponding to blood lactate concentration of 4 mmol∙L (V4).
Twelve competitive swimmers performed a 5 × 200-m progressively increasing speed front crawl test. Blood lactate concentration (BL) was measured after each 200 m and V4 was calculated by interpolation. Heart rate (HR), rating of perceived exertion (RPE), stroke rate (SR) and stroke length (SL) were determined during each 200 m. Subsequently, BL, HR, SR and SL corresponding to V4 were calculated. A week later, swimmers performed a 5 × 400-m training set at constant speed corresponding to V4 and BL-5×400, HR-5×400, RPE-5×400, SR-5×400, SL-5×400 were measured.
BL-5×400 and RPE-5×400 were similar ( > 0.05), while HR-5×400 and SR-5×400 were increased and SL-5×400 was decreased compared to values calculated by the 5 × 200-m test ( < 0.05).
An intermittent progressively increasing speed swimming test provides physiological information with large interindividual variability. It seems that swimmers adjust their biomechanical parameters to maintain constant speed in an aerobic endurance training set of 5 × 400-m at intensity corresponding to 4 mmol∙L.
测试期间获得的生理和生物力学参数需要在训练环境中进行验证。本研究的目的是比较通过5×200米测试计算出的参数与在对应于4 mmol∙L血乳酸浓度（V4）的恒定速度下进行的间歇游泳训练组期间测量的参数。
12名竞技游泳运动员进行了5×200米的递增速度自由泳测试。每200米后测量血乳酸浓度（BL），并通过插值法计算V4。在每个200米期间测定心率（HR）、主观用力程度分级（RPE）、划水频率（SR）和划水长度（SL）。随后，计算对应于V4的BL、HR、SR和SL。一周后，游泳运动员以对应于V4的恒定速度进行了5×400米的训练组，并测量了BL-5×400、HR-5×400、RPE-5×400、SR-5×400、SL-5×400。
与通过5×200米测试计算的值相比，BL-5×400和RPE-5×400相似（>0.05），而HR-5×400和SR-5×400增加，SL-5×400降低（<0.05）。
间歇性递增速度游泳测试提供的生理信息存在较大的个体间差异。在对应于4 mmol∙L强度的5×400米有氧耐力训练组中，游泳运动员似乎会调整其生物力学参数以保持恒定速度。
