Arboleda-Serna Víctor H, Patiño-Villada Fredy A, Pinzón-Castro Deiber A, Arango-Vélez Elkin F
Research Group on Physical Activity for Health (AFIS, in Spanish), University Institute of Physical Education and Sports, The University of Antioquia, Medellín, Colombia.
J Exerc Sci Fit. 2022 Apr;20(2):108-112. doi: 10.1016/j.jesf.2022.01.004. Epub 2022 Feb 4.
Several investigations suggest that high-intensity interval training (HIIT) provokes larger changes in VO compared to moderate-intensity continuous training (MICT); other studies associate HIIT with significant decreases in total, abdominal and visceral fat mass. However, some meta-analyses express that the enhancements with HIIT on VO are slightly higher concerning MICT. These studies had low-to-moderate methodological quality, and the exercise protocols were completed mostly on treadmills or cycle ergometers. Thus, the objective of this study was to compare the effect of a low-volume HIIT versus a MICT program on VO, body fat percentage (BFP), and health-related quality of life (HRQoL) in overweight women. It followed a research protocol with high methodological rigor and good reporting quality.
After two physical adaptation weeks (run-in period), thirty-five volunteers were randomized to HIIT (n = 16) or MICT (n = 19). Both groups performed 24 sessions on a grass sports field (walking, jogging or running). The HIIT group completed 15 bouts of 30 s [90-95%, maximal heart rate (HR)], while the MICT group completed 30 min of continuous exercise (65-75% HR).
The difference between HIIT and MICT post-intervention on VO was not statistically significant (0.8 ml/kg/min. CI 95%, -1.0 to 2.7, p = 0.37). Similarly, no statistically significant differences were found between groups for BFP and HRQoL.
Low-volume HIIT program has no quantitative advantage compared with that resulting from MICT, in VO2max, BFP, and HRQoL. ClinicalTrials.gov Identifier: NCT03300895.
多项研究表明，与中等强度持续训练（MICT）相比，高强度间歇训练（HIIT）能使最大摄氧量（VO）产生更大变化；其他研究则将HIIT与总体脂肪、腹部脂肪和内脏脂肪量的显著减少联系起来。然而，一些荟萃分析表明，HIIT对VO的提升相较于MICT略高。这些研究的方法学质量为低到中等，且运动方案大多在跑步机或功率自行车上完成。因此，本研究的目的是比较低容量HIIT与MICT方案对超重女性的VO、体脂百分比（BFP）和健康相关生活质量（HRQoL）的影响。本研究遵循了具有高方法学严谨性和良好报告质量的研究方案。
在进行两周的身体适应期（磨合期）后，35名志愿者被随机分为HIIT组（n = 16）或MICT组（n = 19）。两组均在草地运动场进行24次训练（步行、慢跑或跑步）。HIIT组完成15组30秒的训练[90 - 95%，最大心率（HR）]，而MICT组完成30分钟的持续运动（65 - 75% HR）。
HIIT组和MICT组干预后VO的差异无统计学意义（0.8毫升/千克/分钟。95%置信区间，-1.0至2.7，p = 0.37）。同样，两组在BFP和HRQoL方面也未发现统计学上的显著差异。
低容量HIIT方案在最大摄氧量、BFP和HRQoL方面与MICT方案相比没有数量上的优势。ClinicalTrials.gov标识符：NCT03300895。
