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CHANGES IN BODY COMPOSITION FOLLOWING A 6-MONTH STANDING WORKSTATION INTERVENTION

Abstract

Monisha MaharjanƗ1, Cara Daniels*1, Jacilyn Olsonǂ1, Melissa Powersǂ1, & Larissa Boydǂ1; 1University of Central Oklahoma Edmond, OK.

INTRODUCTION: Prolonged sedentary behavior may be associated with mortality and other health risks. Research shows a correlation between adiposity and uninterrupted sedentary time, supporting efforts for increasing workplace activity. PURPOSE: The purpose of this research was to determine if body composition changed following a 6 month intervention using sit-to-stand workstations (STS). METHODS: Participants included staff and faculty members of the University of Central Oklahoma. Participants (N=31) were randomly assigned to a treatment group (TG; n=16) and a control group (CG; n=15). TG participants given a STS and instructed to stand at least 2 hours during work hours. Dual-energy X-ray Absorptiometry (DXA) was used to determine total mass (lbs.), fat mass (lbs.), lean mass (lbs.), body fat (%), and bone mineral density (g/cm2) at baseline and 6 months of the intervention. A repeated-measures ANOVA was used to analyze data. RESULTS: No significant differences between or within groups were found (p>.05). Effect sizes were minimal. Small improvements occurred in most variables in the TG, but only for lean mass in the CG. Descriptive statistics can be found in Table 1. CONCLUSIONS: Standing for at least 2 h/d may provide modest benefits to body composition. Future research should examine changes over a longer treatment time and more closely monitor actual time spent using the STS.

This project was funded by the University of Central Oklahoma, Research and Sponsored Programs office.

Additional Files
Maharjan Table.docx (60 kB)
Table 1

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