The relationship between body composition and muscle power output in men and women with obesity

Claudio L. Lafortuna, F. Agosti, P. G. Marinone, N. Marazzi, A. Sartorio

Research output: Contribution to journalArticle

Abstract

In order to investigate the effect of gender, age and level of obesity on body composition and anaerobic power output, and to test the hypothesis that variation in body composition affects muscle power output in obesity, a cohort of 377 subjects (112 males and 265 females, aged 18-75 yr) with different levels of obesity [class IIII, body mass index (BMI) range: 30.6-60.3 kg m-2] was cross-sectionally investigated. Body composition was assessed with bioelectric impedance analysis (BIA), in standardized conditions and using obesity-specific prediction formulas. Lower limb anaerobic power output (Ẇ) was measured with a modification of the Margaria stair climbing test. In males, a similar increase in fat-free mass (FFM) and fat mass (FM) was observed as a function of BMI, while in females, FM increased more than FFM. In both genders, FFM significantly decreased as a function of age (p

Original languageEnglish
Pages (from-to)854-861
Number of pages8
JournalJournal of Endocrinological Investigation
Volume27
Issue number9
Publication statusPublished - Oct 2004

Keywords

  • Bioelectric impedance analysis
  • Body composition
  • Margaria test
  • Motor dysfunction of obesity
  • Muscle power

ASJC Scopus subject areas

  • Endocrinology

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