Department of Exercise Physiology, Faculty of Sport Sciences, University of Isfahan, Isfahan, Iran.
HEME Research Group, Faculty of Sport Sciences, University of Extremadura, Cáceres, Spain.
J Sports Med Phys Fitness. 2021 Oct;61(10):1317-1325. doi: 10.23736/S0022-4707.20.11736-5. Epub 2020 Dec 18.
The purpose of this study was to compare the effects of combined training of high-volume/low intensity vs. low volume/high intensity on different bio-motor adaptations in sedentary women.
Thirty sedentary healthy females (mean age, 22.1±3.3 years), were randomly assigned into: control group (CG; N.=10), High-Volume/low-intensity training group (HV; N.=10); or high-intensity/low-volume training group (HI; N.=10). Training protocols were performed for 8 weeks, on three non-consecutive days a week.
Post-intervention, there were significant main effects of time and a group by time interaction for all body composition and performance variables (P≤0.001), while no significant differences were found for changes in maximum heart rate. Pairwise comparisons revealed significant decreases in body fat percentage and speed test in HV and HI (P≤0.001) after intervention, while anaerobic power significantly increased in HV and HI (P≤0.001). The rating of perceived exertion (RPE) was significantly superior in HI than HV (P≤0.05). Additionally, there were significant main effects of time and a group by time interaction for all one-repetition maximum tests (P≤0.001).
Combined interval training and resistance training were effective for improving bio-motor parameters in sedentary young women. HV training produced less RPE than HI training, which may potentially increase adherence to training protocols post-intervention.
本研究旨在比较大负荷/低强度训练与小负荷/高强度训练对久坐女性不同生物力学适应性的影响。
30 名久坐健康女性(平均年龄 22.1±3.3 岁),随机分为:对照组(CG;n=10)、大负荷/低强度训练组(HV;n=10);或高强度/小负荷训练组(HI;n=10)。训练方案在 8 周内进行,每周 3 天,不连续进行。
干预后,所有身体成分和运动表现变量均有显著的时间和组间时间交互作用(P≤0.001),而最大心率的变化无显著差异。两两比较显示,HV 和 HI 组的体脂百分比和速度测试在干预后显著下降(P≤0.001),而 HV 和 HI 组的无氧功率显著增加(P≤0.001)。HI 组的感知用力评分(RPE)明显优于 HV 组(P≤0.05)。此外,所有单次最大重复测试的时间和组间时间交互作用均有显著的主效应(P≤0.001)。
间歇训练和阻力训练相结合可有效改善久坐年轻女性的生物力学参数。HV 训练比 HI 训练产生的 RPE 更少,这可能会增加干预后对训练方案的依从性。