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Journal of Aging and Health
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Article

Strength Training Preserves the Bone Mineral Density of Postmenopausal Women Without Hormone Replacement Therapy

Danilo Sales Bocalini, MS*, Andrey Jorge Serra, PhD, Leonardo dos Santos, MD, PhD, Neif Murad, MD, PhD, and Rozeli Ferreira Levy, PhD

Departamento de Medicina - Disciplina de Clinica Medica Laboratorio de Fisiologia e Fisiopathologia cardiaca

* To whom correspondence should be addressed. E-mail: bocalini{at}fcr.epm.br.


  Abstract
Objective: The study was designed to evaluate the effects of strength training (ST) on the bone mineral density (BMD) of postmenopausal women without hormone replacement therapy. Method: Subjects were randomized into untrained (UN) or trained (TR) groups. The TR group exercised three ST sessions per week for 24 weeks, and body composition, muscular strength, and BMD of the lumbar spine and femur neck were evaluated. Results: Body weight, mass index, and fat percentage were lower after 24 weeks only in the TR group (p < .05). SR also improved the one repetition maximum test in 46% and 39% of upper and lower limbs, respectively. The percentage of demineralization was higher in the UN group than in the TR group at the lumbar spine and femoral neck (p < .05). Discussion: Results indicated that 24 weeks of ST improved body composition parameters, increased muscular strength, and preserved BMD in postmenopausal women.

First published on February 27, 2009, doi:10.1177/0898264309332839

Journal of Aging and Health 2009;21:519.

A more recent version of this article appeared on June 1, 2009

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