Project Abstract

Abstract
High-intensity interval training (HIIT) has gained popularity in recent years as a time-efficient and effective exercise strategy to improve cardiovascular health. Sedentary individuals are at increased risk of developing cardiovascular diseases, making it crucial to explore the potential benefits of HIIT in this population. This comparative study aimed to investigate the effects of HIIT on cardiovascular health in sedentary individuals and compare these effects with traditional moderate-intensity continuous training (MICT). The study design involved a randomized controlled trial with sedentary individuals aged 18-50 years. Participants were randomly assigned to either the HIIT or MICT group and underwent a 12-week supervised exercise intervention. Pre- and post-intervention assessments included measurements of cardiovascular parameters such as resting heart rate, blood pressure, aerobic fitness, and lipid profiles. Additionally, subjective measures of exercise enjoyment, adherence, and perceived exertion were assessed throughout the intervention period. The results indicated that both HIIT and MICT led to significant improvements in cardiovascular health parameters. However, the HIIT group demonstrated greater improvements in aerobic fitness, with a more pronounced decrease in resting heart rate and blood pressure compared to the MICT group. Furthermore, HIIT was associated with higher adherence rates and greater exercise enjoyment among sedentary individuals. The findings of this study suggest that HIIT may be a more effective exercise strategy for improving cardiovascular health in sedentary individuals compared to traditional MICT. The time-efficient nature of HIIT makes it a feasible option for individuals with busy lifestyles, providing a promising alternative to traditional exercise recommendations. These results have important implications for public health interventions targeting sedentary individuals and highlight the potential of HIIT as a valuable tool for improving cardiovascular health outcomes. In conclusion, this comparative study provides valuable insights into the effects of HIIT on cardiovascular health in sedentary individuals. The findings support the effectiveness of HIIT as a time-efficient and enjoyable exercise strategy for improving cardiovascular parameters in this population. Further research is warranted to explore the long-term effects and sustainability of HIIT interventions in sedentary individuals, as well as to investigate the underlying mechanisms driving the observed improvements in cardiovascular health.

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