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Advisory Committee Chair

Gordon Fisher

Advisory Committee Members

Gary R Hunter

Eric P Plaisance

Document Type

Thesis

Date of Award

2017

Degree Name by School

Master of Science (MS) School of Education

Abstract

Cardiometabolic disease (CMD) is a cluster of diseases, that is used to determine an individual’s increased risk for developing cardiovascular disease (CVD) and type 2 diabetes (T2D), in addition to identifying their increased risk of all-cause mortality. The rates of CMD have continued to climb over the past three decades, which may be inversely proportional to participation in vocational and leisure time physical activity. Continuous moderate intensity exercise training (MIT) is often recommended to improve CMD risk factors, but is usually characterized by an extensive time commitment of exercise. Emerging studies indicate that high-intensity interval exercise training (HIIT), may be just as, or more effective at improving these variables and is characterized by a lower volume and time of exercise. HIIT has been shown to improve resting blood pressure, reverse hyperlipidemia, improve body composition, increase cardiorespiratory fitness, and lower insulin resistance, however, results across studies have been inconsistent. This review summarizes the results of HIIT studies on blood pressure, blood lipids, android obesity, cardiorespiratory fitness, and insulin resistance when compared to MIT. Possible mechanisms underlying the variability in results across studies for the effects of HIIT on CMD risk factors, are also discussed.

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