Date of Award

Spring 5-22-2026

Document Type

Honors Project

University Scholars Director

Dr. Joshua Tom

First Advisor/Committee Member

Dr. Dale Cannavan

Second Advisor/Committee Member

Dr. Katie Thralls-Butte

Keywords

posture, health, productivity, metabolism, adaptability, spine

Abstract

Posture affects all of our lives. It is both static and dynamic, adapting continuously to environmental demands. One postural alteration frequently observed in occupational settings is hyperkyphosis, which can be induced by sitting position. During computer use, individuals commonly adopt a slouched posture, which can exacerbate hyperkyphosis, and contribute to dis-ease within the body. Previous research has demonstrated that such postural deviations can negatively affect pulmonary function, as well as other bodily functions. Despite these findings, the effects of acute hyperkyphosis (“slouching”) on cardiometabolic function and cognition remain largely unexplored. Therefore, the purpose of this study was to examine the effects of sitting posture on cardiometabolic factors (respiratory exchange ratio, respiratory rate, and energy expenditure), as well as on the ability to maintain focus. In addition, limited research has compared seated posture at rest with seated posture when in front of a computer screen. This study was a randomized repeated measures study design. Participants sat at rest, as well as with hands on a laptop computer keyboard. Measurements of the thoracic spine were taken using inclinometers and Kinovea Software. Cardiometabolic factors were measured using a metabolic cart. Focus ability was interpreted through time to complete the Stroop Effect Test. Findings suggest significant differences between resting posture and posture adopted during computer work (p< 0.002), as well as significant differences in respiratory rate (p=0.005) and focus ability (p=0.008) during these two conditions. The findings of this study aim to enhance understanding of the physiological and cognitive consequences of sitting posture, with implications for improving both productivity and quality of life.

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Additional Rights Information

Copyright held by author.

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