Sedentary Behavior Breaks With Isometric Exercise in Cardiovascular Health Indicators

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Long periods in sedentary behavior promote deterioration of vascular function, which is directly associated with the occurence of chronic noncommunicable diseases. In this context, the execution of interruptions in this behavior (breaks) is recommended. Studies have shown benefits of isometric train...

Long periods in sedentary behavior promote deterioration of vascular function, which is directly associated with the occurence of chronic noncommunicable diseases. In this context, the execution of interruptions in this behavior (breaks) is recommended. Studies have shown benefits of isometric training in vascular function, which could be useful to minimize the consequences of time spent in sedentary behavior. Thus, the goal of this study is to analyze the chronic effects of sedentary behavior breaks using leg extension isometric exercise in the cardiovascular health indicators of adults exposed to prolonged time in the sitting position. The target population of the study will consist of healthy subjects above 18 years of age of both genders. All subjects will be submitted to measurements of endothelial function, blood pressure and cardiac autonomic modulation. After these measurements, the subjects will be randomized into two groups: leg extension isometric training group (TIE) and control group (CG). After 12 weeks both groups will be submitted to the same measurements from pre-intervention.

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