不同持续时间极限循环运动中脉搏寿命积累强度与需氧量形成率和血乳酸积累率的相关性

A. Kozlov, A. N. Bleer, S. Levushkin, V. Sonkin
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引用次数: 0

摘要

本研究的目的是寻找脉冲债务积累强度(PDАI)与不同持续时间的限制性循环运动期间血液中需氧量形成速率和乳酸积累的关系。方法:14名自行车运动员(第一类,20±3岁,MОC - 52.9±5.10 ml / min / kg),在固定时间10、30、60、120、360、1800 s的不同天数进行一系列最大功率的自行车运动。根据5分钟恢复(减去开始前的HR水平)和运动时间的脉搏和,计算每个受试者所有运动的脉搏债积累强度。计算血乳酸浓度积累速率(SNCL)和需氧量形成速率(OCR)。结果:SOCS、SNCL、PDАI与运动时间(分别为r2 = 0.84、r2 = 0.91、r2 = 0.96, p < 0.05)和相对运动功率(分别为r2 = 0.80、r2 = 0.86、r2 = 0.90, p < 0.05)呈密切的非线性关系。INPD与SRCS、SNCL关系密切(r2 = 0.80, r2 = 0.94, p < 0.05)。结论:本研究结果使INPD心率指标能够较为可靠地确定运动强度,预测乳酸积累水平,并在此基础上确定运动方向,规范训练负荷。
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Correlation between the intensity of pulse longevity accumulation and the rate of oxygen demand formation and blood lactate accumulation in performing limiting cyclic exercises of different duration
The purpose of the study was to search for the relationship of Pulse Debt Accumulation Intensity (PDАI) with the rate of formation of oxygen demand and the accumulation of lactate in the blood during the performance of limiting cyclic exercises of various durations.Methods: 14 athletes‑cyclists (1st category, 20 ± 3 years, MОC — 52.9 ± 5.10 ml / min / kg), performed a series of bicycle ergometric exercises of maximum power on different days at a fixed duration of 10, 30, 60, 120, 360 and 1800 s. Based on the pulse sums of the five‑minute recovery (minus the pre‑start HR level) and the exercise time, the intensity of accumulation of pulse debt was calculated for all exercises in each subject. The rate of accumulation of lactate concentration in the blood (SNCL) and the rate of formation of oxygen demand (OCR) were also calculated.Results: SOCS, SNCL and PDАI have a close non‑linear relationship with exercise time (respectively: r2 = 0.84, r2 = 0.91, r2 = 0.96, at p < 0.05), as well as with relative exercise power (respectively: r2 = 0.80, r2 = 0.86, r2 = 0.90, at p < 0.05). INPD has a close relationship with SRCS and SNCL (respectively: r2 = 0.80, r2 = 0.94, p < 0.05).Conclusions: The results of the study make it possible to use the INPD heart rate indicator for a fairly reliable determination of exercise intensity and for predicting the level of lactate accumulation, and on this basis, determining the direction of the exercise and normalizing the training load.
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