Research Group Degenerative and Chronic Diseases, Movement, Faculty of Health Sciences Brandenburg, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany.
Department of Neurology, Medical Faculty, Otto von Guericke University Magdeburg, Leipziger Str. 44, 39120 Magdeburg, Germany.
Int J Environ Res Public Health. 2022 Jan 5;19(1):613. doi: 10.3390/ijerph19010613.
There is considerable evidence showing that an acute bout of physical exercises can improve cognitive performance, but the optimal exercise characteristics (e.g., exercise type and exercise intensity) remain elusive. In this regard, there is a gap in the literature to which extent sprint interval training (SIT) can enhance cognitive performance. Thus, this study aimed to investigate the effect of a time-efficient SIT, termed as "shortened-sprint reduced-exertion high-intensity interval training" (SSREHIT), on cognitive performance. Nineteen healthy adults aged 20-28 years were enrolled and assessed for attentional performance (via the d2 test), working memory performance (via Digit Span Forward/Backward), and peripheral blood lactate concentration immediately before and 10 min after an SSREHIT and a cognitive engagement control condition (i.e., reading). We observed that SSREHIT can enhance specific aspects of attentional performance, as it improved the percent error rate (F%) in the d-2 test ( (18) = -2.249, = 0.037, d = -0.516), which constitutes a qualitative measure of precision and thoroughness. However, SSREHIT did not change other measures of attentional or working memory performance. In addition, we observed that the exercise-induced increase in the peripheral blood lactate levels correlated with changes in attentional performance, i.e., the total number of responses (GZ) (r = 0.70, < 0.001), objective measures of concentration (SKL) (r = 0.73, < 0.001), and F% (r = -0.54, = 0.015). The present study provides initial evidence that a single bout of SSREHIT can improve specific aspects of attentional performance and conforming evidence for a positive link between cognitive improvements and changes in peripheral blood lactate levels.
有大量证据表明，急性运动锻炼可以改善认知表现，但最佳运动特征（例如，运动类型和运动强度）仍不明确。在这方面，文献中存在一个空白，即冲刺间歇训练（SIT）在多大程度上可以提高认知表现。因此，本研究旨在探讨一种高效的 SIT，称为“缩短冲刺低强度间歇训练”（SSREHIT），对认知表现的影响。招募了 19 名年龄在 20-28 岁的健康成年人，评估他们的注意力表现（通过 d2 测试）、工作记忆表现（通过数字跨度正向/反向）以及 SSREHIT 和认知参与对照条件（即阅读）前后 10 分钟的外周血乳酸浓度。我们发现，SSREHIT 可以提高注意力表现的特定方面，因为它降低了 d-2 测试中的百分比错误率（F%）（ (18) = -2.249, = 0.037, d = -0.516），这是一种衡量精度和彻底性的定性指标。然而，SSREHIT 并没有改变注意力或工作记忆表现的其他指标。此外，我们发现外周血乳酸水平的升高与注意力表现的变化相关，即总反应数（GZ）（r = 0.70, < 0.001）、注意力的客观指标（SKL）（r = 0.73, < 0.001）和 F%（r = -0.54, = 0.015）。本研究提供了初步证据，表明单次 SSREHIT 可以提高注意力表现的特定方面，并为认知改善与外周血乳酸水平变化之间的积极联系提供了一致性证据。
