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ISSN: 2161-0509

Journal of Nutritional Disorders & Therapy
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Research Article

Effects of Interval Training Versus Continuous Exercise on Anthropometric and Cardiorespiratory Fitness Markers in Obese Women

Cloud Kennedy Couto de Sá1,2*, Mário César Carvalho Tenório1, Mariana Matos Freitas1, Gaya Ribeiro Ruas1, João Felipe Pereira Câncio1, Luiz Agnaldo Pereira de Souza1 and Ana Marice Teixeira Ladeia1

1Escola Bahiana de Medicina e Saúde Pública, Bahia, Brazil

2Universidade Estadual de Feira de Santana, Bahia, Brazil

*Corresponding Author:
Cloud Kennedy Couto de Sá
Escola Bahiana de Medicina e Saúde Pública
PPgMSH, Av, Dom João VI, no 275, Brotas
Salvador– Bahia, Brazil, CEP: 40290-000
Tel: 55-71-3276-8265
Fax: 55-71-3276-8202
E-mail: [email protected]

Received date November 11, 2011; Accepted date January 05, 2012; Published date January 07, 2012

Citation: Sá CKC, Tenório MCC, Freitas MM, Ruas GR, Câncio JFP, et al. (2012) Effects of Interval Training Versus Continuous Exercise on Anthropometric and Cardiorespiratory Fitness Markers in Obese Women. J Nutr Disorders Ther S2:002.doi:10.4172/2161-0509.S2-002

Copyright: © 2012 Sá CKC, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The purpose of this study was to test the hypothesis that interval training (IT) is as effective as continuous exercise (CE) in reducing markers of obesity in women with abdominal obesity and low cardiorespiratory capacity. Twenty-one women with central obesity (mean ± SD: 47±11 years old; 95.7±9.8 cm of waist circumference; 38.8 ± 4.5% body fat) performed CE (-20% of Ventilatory Threshold - VT) or IT (2 min of stimulus/2 min of recovery +20%/-20% of VT) during a 10 week period, 2 times per week, for 20 to 40 minutes per session. Anthropometric data was recorded and cardiorespiratory fitness was measured before and after intervention. After intervention, both groups exhibited reductions in waist circumference (IT group lost 3.3%, P = 0.022; and CE group 3.9%, P = 0.015), waist/height ratio (IT group lost 3.4%, P = 0.018; and CE group 4.5%, P = 0.019), and Conicity Index (IT group lost 2.4%, P = 0.014;

and CE group 3.9%, P = 0.017). Only the IT group reduced their weight (lost 1.4%, P = 0.019) and BMI (lost 3.5%, P = 0.024). After training, the VT increased 6.9% in the IT group (P =0.04), and 7.4% in the CE group (P = 0.04). VO2 Peak tended to be elevated after 10 weeks of intervention in the IT group (P = 0.08). These data suggest that a practical low-volume IT regimen during a short timeframe was as effective as CE in improving cardiorespiratory fitness and decreasing central obesity markers.

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