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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

Rivista di Medicina, Traumatologia e Psicologia dello Sport


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ORIGINAL ARTICLE  EPIDEMIOLOGY AND CLINICAL MEDICINE


The Journal of Sports Medicine and Physical Fitness 2017 July-August;57(7-8):1033-44

DOI: 10.23736/S0022-4707.16.06391-X

Copyright © 2016 EDIZIONI MINERVA MEDICA

lingua: Inglese

Circuit resistance training in women with normal weight obesity syndrome: body composition, cardiometabolic and echocardiographic parameters, and cardiovascular and skeletal muscle fitness

Fabiano C. FERREIRA 1, Danilo R. BERTUCCI 1, Marina R. BARBOSA 1, João E. NUNES 2, João P. BOTERO 3, Maria F. RODRIGUES 1, Gilberto E. SHIGUEMOTO 1, Valdir SANTORO 4, Ana C. VERZOLA 4, Rodrigo O. NONAKA 4, Roberto M. VERZOLA 1, 4, Vilmar BALDISSERA 1, Sérgio E. PEREZ 1

1 Laboratory of Exercise Physiology, Department of Physiological Sciences, Federal University of São Carlos, São Carlos, São Paulo, Brazil; 2 Faculty of Physical Education and Physiotherapy, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil; 3 Department of Human Movement Sciences, Federal University of São Paulo, Santos, São Paulo, Brazil; 4 Echocardiography Unit Ltda., São Carlos, São Paulo, Brazil


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BACKGROUND: Normal weight obesity (NWO) syndrome has been characterized in subjects with normal Body Mass Index (BMI) and high body fat mass percentage (BF%>30 for women) being a risk factor for cardiometabolic dysregulation and cardiovascular mortality. This study evaluated whether circuit resistance training (CRT) improves body composition, heart size and function, cardiometabolic parameters, and cardiorespiratory, cardiovascular and skeletal muscle fitness in women with NWO.
METHODS: Data are means (95% Confidence Interval). Twenty-three women participated: 10 NWO-CRT (baseline: BMI=22.4 [21.4-23.3] kg/m2; BF%=44.5 [41.0-48.0]%) performed CRT; and 13 untrained NWO-control (baseline: BMI=21.7 [20.8-22.7] kg/m2; BF%=37.8 [34.6-41.1]%). At baseline and after 10 weeks were performed/measured dual-energy X-ray absorptiometry, echocardiography, blood tests, arterial pressure, exercise testing, and total-overload-by-training-session (TOL).
RESULTS: At baseline, the NWO-CRT exhibited larger BF (27.28 [23.9-30.6] kg) than NWO-control (22.41 [19.5-25.3] kg) (P=0.0227). After training, NWO-CRT: reduced 8 kg of BF (P=0.000002); became BF% lower than NWO-control (33.1 [30.1-36.0] <37.0 [34.3-39.6]%, P=0.0423), with 30% of NWO-CRT subjects becoming without-obesity; reduced 3 kg in trunk fat mass (P=0.000005); showed fasting glucose (72.8 [69.4-76.2] mg/dL) smaller than NWO-control (81.7 [78.6-84.8] mg/dL) (P=0.004); increased TOL (5087.5 [4142.5-6032.5] to 6963.3 [6226.4-7700.2] rep.kg, P=0.0004); increased load at VO2peak (122.5 [106.8-138.2] to 137.5 [118.18-156.82] W, P=0.0051); reduced double product/load at VO2peak ratio (277.4 [222.1-332.8] to 237.7 [194.2-281.2] mmHg.bpm/W, P=0.0015); and increased left ventricular mass/body surface area ratio (84.29 [78.98-89.6] to 90.29 [81.45-99.12] g/m2, P=0.0215).
CONCLUSIONS: CRT reduced BF% and generated cardiometabolic, cardiac, skeletal muscle and cardiovascular benefits, being a useful strategy to combat the normal weight obesity syndrome in women.


KEY WORDS: Obesity - Resistance training - Body composition - Glucose - Women

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Publication History

Issue published online: June 12, 2017
Article first published online: July 6, 2016
Manuscript accepted: July 4, 2016
Manuscript revised: June 7, 2016
Manuscript received: January 5, 2016

Per citare questo articolo

Ferreira FC, Bertucci DR, Barbosa MR, Nunes JE, Botero JP, Rodrigues MF, et al. Circuit resistance training in women with normal weight obesity syndrome: body composition, cardiometabolic and echocardiographic parameters, and cardiovascular and skeletal muscle fitness. J Sports Med Phys Fitness 2017;57:1033-44. DOI: 10.23736/S0022-4707.16.06391-X

Corresponding author e-mail

facanfe@gmail.com