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Table of Contents
Vol. 47, No. 4, 2001
Issue release date: July – August
Section title: Clinical Section
Gerontology 2001;47:207–212
(DOI:10.1159/000052800)

Influence of Muscle Strength and Body Weight and Composition on Regional Bone Mineral Density in Healthy Women Aged 60 Years and Over

Blain H.a · Vuillemin A.b,c · Teissier A.d · Hanesse B.e · Guillemin F.b · Jeandel C.a
aCentre de Gérontologie, Clinique Antonin-Balmès, CHU Montpellier; bUPRES EA 1124, Ecole de Santé Publique, Université Henri-Poincaré, Nancy; cFaculté du Sport, Université Henri-Poincaré, Nancy; dCentre de Rééducation Jacques-Parisot, Bainville-sur-Madon, et eService de Médecine B, CHU Nancy, Vandœuvre-les-Nancy, France

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Article / Publication Details

First-Page Preview
Abstract of Clinical Section

Published online: June 21, 2001
Issue release date: July – August

Number of Print Pages: 6
Number of Figures: 0
Number of Tables: 5

ISSN: 0304-324X (Print)
eISSN: 1423-0003 (Online)

For additional information: http://www.karger.com/GER

Abstract

Although weight, lean mass, fat mass and muscular strength are often found to be intercorrelated, the respective role of each parameter in bone mineral density (BMD) remains unknown in older women. The aim of the present study was to investigate the relationship between body weight and composition and quadriceps strength on femoral neck and lumbar spine BMD in healthy postmenopausal women. The relationship between isokinetic quadriceps strength measured by Biodex and BMD measured by dual energy X-ray absorptiometry was studied in 56 women aged 60–81 (70.5 ± 6.2) years in multiple regression models adjusted for age, body composition and menopausal treatment. Weight and age were associated with femoral neck BMD (33 and 10% of variance accounted for, respectively) and lumbar spine BMD (23 and 8% of its variance). When body weight and quadriceps strength were excluded from the model, lean mass and age were associated with femoral neck BMD (29 and 14% of variance explained, respectively) and lumbar spine BMD (28 and 11% of variance explained, respectively). When quadriceps strength was entered into the model, it was strongly associated with femoral neck BMD (30% of variance accounted for), in addition to lean mass (9%) and age (7%), whereas it was not associated with lumbar spine BMD. In conclusion, lean mass explains a great part of the strong association between body weight and femoral neck and lumbar spine BMD. Quadriceps strength explains a great part of the association between lean mass and BMD at the femoral neck site but not at the lumbar spine site. These results suggest a site-specific effect of muscular strength on bone and a potential role of the age-related decline of muscle strength in age-related bone loss in postmenopausal women.

© 2001 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Clinical Section

Published online: June 21, 2001
Issue release date: July – August

Number of Print Pages: 6
Number of Figures: 0
Number of Tables: 5

ISSN: 0304-324X (Print)
eISSN: 1423-0003 (Online)

For additional information: http://www.karger.com/GER


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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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