Obesity effect on isometric strength of the trunk extensors-Reference-Cited by-同舟云学术

Obesity effect on isometric strength of the trunk extensors

Published:2016-09 Issue:1 Volume:60 Page:943-947
ISSN:2169-5067
Container-title:Proceedings of the Human Factors and Ergonomics Society Annual Meeting
language:en
Short-container-title:Proceedings of the Human Factors and Ergonomics Society Annual Meeting

Author:

Pajoutan Mojdeh¹,Mehta Ranjana K.²,Cavuoto Lora A.¹

Affiliation:

1. Department of Industrial and Systems Engineering, University at Buffalo, The State University of New York, Buffalo, NY, 14260, USA

2. Department of Environmental and Occupational Health, Texas A&M University, College Station, TX, USA

Abstract

Trunk muscle strength could contribute to overexertion and falls related back injuries. With obesity, greater trunk extensor muscle is expected to overcome the additional mass especially those accumulated in the abdomen area. The objective of this study was to investigate the extent of obesity effect on maximum trunk extensor muscles’ capacity. 33 females and 35 males in three age-matched groups of normal weight, overweight, and obese completed four replications of three repeated maximum voluntary isometric contractions (MVICs) of trunk extensor muscles. Obesity impairment was evident in the strength per kilogram body mass (BM) and fat-free mass (FFM). FFM and age explained 60% of the variability of the trunk strength. The findings of this study suggest an inferior performance with obesity in complex tasks requiring high intensity strengths.

Publisher

SAGE Publications

Subject

General Medicine,General Chemistry

Link

http://journals.sagepub.com/doi/pdf/10.1177/1541931213601217

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