Bone density and lean tissue following strength training during dieting in obese subjects

A. Geliebter, S. A. Hashim

Research output: Contribution to journalArticlepeer-review

Abstract

Bone density and lean tissue mass have been reported to decrease following dieting by obese subjects. Using dual x-ray absorptiometry (DXA), we determined whether strength training could diminish or reverse the expected loss of bone density and lean tissue during dieting. Thirtyfive obese subjects (10m, 25f) were assigned to 3 groups: strength (ST), aerobic (AT), and diet only (DO). The ST and AT sessions were supervised 3x/wk. Subjects received a formula diet providing 70% of daily RMR. After 8 wk, body weight decreased by a mean of 9.8 kg without differing among groups. Total body, spine, and leg bone density did not change or differ among groups. However arm bone density showed a significant decline after DO (p < 0.05) relative to a small increase after ST. Similarly, changes in total body and leg lean tissue did not differ significantly among groups, but arm lean tissue declined signficantly less in the ST group than DO (p< 0.05). Thus both arm bone and lean tissue were preserved by ST during dieting.

Original languageEnglish
Pages (from-to)A503
JournalFASEB Journal
Volume10
Issue number3
StatePublished - 1996
Externally publishedYes

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