Effects of high-intensity interval training on vascular function and maximum oxygen uptake in young sedentary females

Authors

  • Weerapong Chidnok Department of Physical Therapy, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, Thailand 65000
  • Munthana Wadthaisong Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, Thailand 65000
  • Phimaporn Iamsongkham Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, Thailand 65000
  • Wichayaporn Mheonprayoon Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, Thailand 65000
  • Wiwat Wirajalarbha Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, Thailand 65000
  • Piyanuch Thitiwuthikiat Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, Thailand 65000
  • Duangduan Siriwittayawan Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, Thailand 65000
  • Sitthichai Vachirasrisirikul Department of Surgery, Buddhachinaraj Hospital, Phitsanulok, Thailand 65000
  • Teonchit Nuamchit Naresuan University

Keywords:

Cardiometabolic diseases, high intensity interval training, sedentary behavior

Abstract

Objective: Sedentary behavior is one of the risk factors for cardiometabolic diseases, including cardiovascular diseases, diabetes mellitus, and metabolic syndrome. High-intensity interval training (HIIT) is one effective way to reduce the risk of cardiometabolic diseases. This research studies the effects of cycling-based HIIT on vascular function and cardiorespiratory fitness in sedentary people.

Methodology: Twenty-two female participants were separated into two groups, including HIIT group who receive intervention and control group who did not receive the intervention. Each of the participants was interviewed to collect and record their medical history, and medical parameters including cardio-ankle vascular index (CAVI), flow-mediated dilation (FMD) and maximal oxygen consumption (V̇O2max) were measured as a baseline pretest. The intervention was a cycling-based HIIT lasting 6 weeks, with three sessions per week. During each session, the participant completed a set protocol consisting of 1 min on a cycle ergometer, cycling at 80-85% maximal heart rate, followed by a 1-min rest period.  This sequence was repeated for a total of 5 times.

Results: After 6 weeks of intervention, results showed that the HIIT group had significant improvements in CAVI (6.39±0.76 vs 5.91±0.58), FMD (9.26±6.5 vs 14.01±4.3%), and V̇O2max (20.10±4.31 vs 24.34±5.71 ml/kg/min) values compared to the pretest (P < 0.05). In addition, HIIT increased endothelial function as measured by FMD compared to the control group (14.01 ± 4.3 vs. 9.15 ± 4.16 %, P < 0.05).

Conclusion: Six weeks of HIIT were found to improve vascular function and cardiorespiratory fitness in sedentary people and demonstrated the benefits of HIIT as a time-efficient exercise strategy.

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Published

2019-12-25

How to Cite

Chidnok, W., Wadthaisong, M., Iamsongkham, P., Mheonprayoon, W., Wirajalarbha, W., Thitiwuthikiat, P., Siriwittayawan, D., Vachirasrisirikul, S., & Nuamchit, T. (2019). Effects of high-intensity interval training on vascular function and maximum oxygen uptake in young sedentary females. International Journal of Health Sciences, 14(1). Retrieved from https://pub.qu.edu.sa/index.php/journal/article/view/4512

Issue

Vol. 14 No. 1 (2020): Jan.-Feb.

Section

Original Paper

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