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Acute effects of breaks in sedentary behaviorwith isometric exercise on adult cardiovascular health indicators

Grant number: 19/05221-1
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): July 01, 2019
Effective date (End): January 31, 2021
Field of knowledge:Health Sciences - Physical Education
Principal Investigator:Raphael Mendes Ritti Dias
Grantee:Gustavo Oliveira da Silva
Host Institution: Universidade Nove de Julho (UNINOVE). Campus Vergueiro. São Paulo , SP, Brazil

Abstract

INTRODUCTION: Long periods in sedentary behaviors promote a deteriorationof vascular function, which is associated with the occurrence of noncommunicable diseases. In this context, the execution of breaks in this behavioris reccomended, performed through short duration and intensity walks. Studieshave shown benefits of the isometric training in vascular function, which coulddiminish the sedentary behavior time consequences. OBJECTIVE: To analyzethe acute effects of sedentary behavior breaks using the knee extension isometricexercise in the cardiovascular health indicators of healthy adults exposed toprolonged sitting time. METHODS: It is a randomized crossover trial, on whichthe target population will consist of healthy subjects above 18 years old of bothgenders. The participants will perform, in a randomized order, three experimentalsessions (control, break with knee extension isometric exercise and standardbreak). All sessions will have in common a 3 hour sendentary behavior period.However, in the standard break session the participants will perform walkingbreaks every 30 min, in the isometric session they will perform 4 bouts ofisometric exercise and in the control session will remain seated without breaks.Before and after this period the vascular function, blood pressure and cardiacautonomic modulation will be evaluated.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DA SILVA, GUSTAVO OLIVEIRA; SANTINI, LUIZA BATISTA; FARAH, BRENO QUINTELLA; GERMANO-SOARES, ANTONIO HENRIQUE; CORREIA, MARILIA DE ALMEIDA; RITTI-DIAS, RAPHAEL MENDES. ffects of Breaking Up Prolonged Sitting on Cardiovascular Parameters: A systematic Revie. INTERNATIONAL JOURNAL OF SPORTS MEDICINE, v. 43, n. 02, . (19/05221-1)
DA SILVA, GUSTAVO OLIVEIRA; CORREIA, MARILIA DE ALMEIDA; MESQUITA DE OLIVEIRA, PAULO LONGANO; FARAH, BRENO QUINTELLA; VIANNA, LAURO C.; PUECH-LEAO, PEDRO; WOLOSKER, NELSON; CUCATO, GABRIEL GRIZZO; RITTI-DIAS, RAPHAEL MENDES. re Vascular Parameters Associated with Walking Impairment in Patients with Claudication. ANNALS OF VASCULAR SURGERY, v. 77, p. 31-37, . (19/05221-1, 16/16425-9)

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