Int J Sports Med 2013; 34(09): 806-813
DOI: 10.1055/s-0032-1331185
Training & Testing
© Georg Thieme Verlag KG Stuttgart · New York

Cardiovascular Adaptations to Resistance Training in Elderly Postmenopausal Women

A. M. Gerage
1   Departement of Physical Education, Federal University of Santa Catarina, Florianopolis, Brazil
3   Metabolism, Nutrition and Exercise Laboratory, Londrina State University, Londrina, Brazil
,
C.L. M. Forjaz
2   School of Physical Education and Sport, University of Sao Paulo, Sao Paulo, Brazil
,
M. A. Nascimento
3   Metabolism, Nutrition and Exercise Laboratory, Londrina State University, Londrina, Brazil
,
R.S. B. Januário
4   Center of Biological and Health Sciences, North University of Paraná, Londrina, Brazil
,
M. D. Polito
5   Physical Education and Sport Center, Londrina State University, Londrina, Brazil
,
E. S. Cyrino
3   Metabolism, Nutrition and Exercise Laboratory, Londrina State University, Londrina, Brazil
› Author Affiliations
Further Information

Publication History



accepted after revision 23 October 2012

Publication Date:
04 March 2013 (online)

Abstract

The purpose of this study was to investigate the effect of resistance training on resting blood pressure and heart rate variability in elderly postmenopausal women. 29 untrained, non-hypertensive elderly women were randomly assigned to 2 groups: an intervention group (n=15, 65.5±5.0 years, 57.3±6.5 kg, 156.7±5.1 cm) that underwent a supervised resistance training program (8 exercises, 2 sets, 10–15 repetitions, 3 times/week) or a control group (n=14, 66.2±4.1 years, 61.1±11.7 kg, 157.5±7.1 cm) that participated in a supervised stretching program (25–30 min/session, 2 times/week). Resting auscultatory blood pressure, heart rate variability, evaluated from short recordings in a seated position, and maximal dynamic strength (1-RM test) were measured at baseline and after 12 weeks. A group x time ANOVA revealed that muscular strength increased significantly in the resistance training group (+ 10.2% for bench press and +12.7% for leg extension, P<0.05). Systolic blood pressure was reduced significantly in the resistance training group from pre- to post-intervention period (− 5 mmHg; P<0.05), while no significant effect was noted for diastolic blood pressure and heart rate variability indexes (P>0.05). None of these variables changed in the control group throughout the study. In conclusion, a supervised resistance training program improved muscular strength and reduced systolic blood pressure without affecting diastolic blood pressure and heart rate variability in elderly postmenopausal women.

 
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