Title

Prediction of Energy Expenditure from Accelerometers During Physical Activity in Adults with Down Syndrome: The Effect of Accelerometer Placement

Advisor

Agiovlasitis, Stamatis

Committee Member

Chen, Chih-Chia

Committee Member

Pan, Zhujun

Date of Degree

1-1-2018

Original embargo terms

Visible to MSU only for 3 years

Document Type

Graduate Thesis - Open Access

Major

Exercise Science

Degree Name

Master of Science

College

College of Education

Abstract

There is a need to examine the difference in the relationship between oxygen uptake (VO2) and output from hip- and wrist-worn accelerometers in adults with Down syndrome (DS). The purpose of this study is to identify if that relationship is different between adults with and without DS. Hip- and wrist-worn accelerometer accuracy was also assessed. The sample included 16 adults with DS (10 men; age 31±15 years) and 19 adults without DS (10 men; age 24±6 years). We measured VO2 with a portable spirometer and accelerometer output (Vector Magnitude [VM]) with a hip- and a wrist-worn accelerometer. VM and group were significant predictors of VO2 (p?0.021). BMI became a significant predictor in the second model and DS was no longer significant for both accelerometer models. The Bland-Altman plots indicated nearly zero mean error for both groups. Hip-worn accelerometers showed greater accuracy, and showed less error based on 95% confidence intervals.

URI

https://hdl.handle.net/11668/18736

Comments

Accelerometers||Physical Activity||Energy Expenditure||Down Syndrome

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