Abstract

Objectives: This study aimed to evaluate the feasibility of using a compact elliptical device to increase energy expenditure during sedentary activities. A secondary aim was to evaluate if two accelerometers attached to the elliptical device could provide reliable and valid assessments of participants' frequency and duration of elliptical device use. Design: Physically inactive adults (n= 32, age range = 25-65) were recruited through local advertisements and selected using stratified random sampling based on sex, body mass index (BMI), and age. Methods: Indirect calorimetry was used to assess participants' energy expenditure while seated and while using the elliptical device at a self-selected intensity level. Participants also self-reported their interest in using the elliptical device during sedentary activities. Two Actigraph GT3X accelerometers were attached to the elliptical device to record time-use patterns. Results: Participants expended a median of 179.1 kilocalories per hour while using the elliptical device (range = 108.2-269.0), or a median of 87.9 more kilocalories (range = 19.7-178.6) than they would expend per hour of sedentary sitting. Participants reported high interest in using the elliptical device during TV watching and computer work, but relatively low interest in using the device during office meetings. Women reported greater interest in using the elliptical device than men. The two accelerometers recorded identical time-use patterns on the elliptical device and demonstrated concurrent validity with time-stamped computer records. Conclusions: Compact elliptical devices could increase energy expenditure during sedentary activities, and may provide proximal environmental cues for increasing energy expenditure across multiple life domains.

Original languageEnglish (US)
Pages (from-to)376-380
Number of pages5
JournalJournal of Science and Medicine in Sport
Volume17
Issue number4
DOIs
StatePublished - Jul 2014

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Energy Metabolism
Equipment and Supplies
Indirect Calorimetry
Cues
Body Mass Index

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

@article{ad3c4ab3faeb42af9f4f26ee65468f6d,
title = "Feasibility of using a compact elliptical device to increase energy expenditure during sedentary activities",
abstract = "Objectives: This study aimed to evaluate the feasibility of using a compact elliptical device to increase energy expenditure during sedentary activities. A secondary aim was to evaluate if two accelerometers attached to the elliptical device could provide reliable and valid assessments of participants' frequency and duration of elliptical device use. Design: Physically inactive adults (n= 32, age range = 25-65) were recruited through local advertisements and selected using stratified random sampling based on sex, body mass index (BMI), and age. Methods: Indirect calorimetry was used to assess participants' energy expenditure while seated and while using the elliptical device at a self-selected intensity level. Participants also self-reported their interest in using the elliptical device during sedentary activities. Two Actigraph GT3X accelerometers were attached to the elliptical device to record time-use patterns. Results: Participants expended a median of 179.1 kilocalories per hour while using the elliptical device (range = 108.2-269.0), or a median of 87.9 more kilocalories (range = 19.7-178.6) than they would expend per hour of sedentary sitting. Participants reported high interest in using the elliptical device during TV watching and computer work, but relatively low interest in using the device during office meetings. Women reported greater interest in using the elliptical device than men. The two accelerometers recorded identical time-use patterns on the elliptical device and demonstrated concurrent validity with time-stamped computer records. Conclusions: Compact elliptical devices could increase energy expenditure during sedentary activities, and may provide proximal environmental cues for increasing energy expenditure across multiple life domains.",
author = "Rovniak, {Liza S.} and Denlinger, {Le Ann} and Ellen Duveneck and Sciamanna, {Christopher N.} and Lan Kong and Andris Freivalds and Ray, {Chester A.}",
year = "2014",
month = "7",
doi = "10.1016/j.jsams.2013.07.014",
language = "English (US)",
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pages = "376--380",
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Feasibility of using a compact elliptical device to increase energy expenditure during sedentary activities. / Rovniak, Liza S.; Denlinger, Le Ann; Duveneck, Ellen; Sciamanna, Christopher N.; Kong, Lan; Freivalds, Andris; Ray, Chester A.

In: Journal of Science and Medicine in Sport, Vol. 17, No. 4, 07.2014, p. 376-380.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Feasibility of using a compact elliptical device to increase energy expenditure during sedentary activities

AU - Rovniak, Liza S.

AU - Denlinger, Le Ann

AU - Duveneck, Ellen

AU - Sciamanna, Christopher N.

AU - Kong, Lan

AU - Freivalds, Andris

AU - Ray, Chester A.

PY - 2014/7

Y1 - 2014/7

N2 - Objectives: This study aimed to evaluate the feasibility of using a compact elliptical device to increase energy expenditure during sedentary activities. A secondary aim was to evaluate if two accelerometers attached to the elliptical device could provide reliable and valid assessments of participants' frequency and duration of elliptical device use. Design: Physically inactive adults (n= 32, age range = 25-65) were recruited through local advertisements and selected using stratified random sampling based on sex, body mass index (BMI), and age. Methods: Indirect calorimetry was used to assess participants' energy expenditure while seated and while using the elliptical device at a self-selected intensity level. Participants also self-reported their interest in using the elliptical device during sedentary activities. Two Actigraph GT3X accelerometers were attached to the elliptical device to record time-use patterns. Results: Participants expended a median of 179.1 kilocalories per hour while using the elliptical device (range = 108.2-269.0), or a median of 87.9 more kilocalories (range = 19.7-178.6) than they would expend per hour of sedentary sitting. Participants reported high interest in using the elliptical device during TV watching and computer work, but relatively low interest in using the device during office meetings. Women reported greater interest in using the elliptical device than men. The two accelerometers recorded identical time-use patterns on the elliptical device and demonstrated concurrent validity with time-stamped computer records. Conclusions: Compact elliptical devices could increase energy expenditure during sedentary activities, and may provide proximal environmental cues for increasing energy expenditure across multiple life domains.

AB - Objectives: This study aimed to evaluate the feasibility of using a compact elliptical device to increase energy expenditure during sedentary activities. A secondary aim was to evaluate if two accelerometers attached to the elliptical device could provide reliable and valid assessments of participants' frequency and duration of elliptical device use. Design: Physically inactive adults (n= 32, age range = 25-65) were recruited through local advertisements and selected using stratified random sampling based on sex, body mass index (BMI), and age. Methods: Indirect calorimetry was used to assess participants' energy expenditure while seated and while using the elliptical device at a self-selected intensity level. Participants also self-reported their interest in using the elliptical device during sedentary activities. Two Actigraph GT3X accelerometers were attached to the elliptical device to record time-use patterns. Results: Participants expended a median of 179.1 kilocalories per hour while using the elliptical device (range = 108.2-269.0), or a median of 87.9 more kilocalories (range = 19.7-178.6) than they would expend per hour of sedentary sitting. Participants reported high interest in using the elliptical device during TV watching and computer work, but relatively low interest in using the device during office meetings. Women reported greater interest in using the elliptical device than men. The two accelerometers recorded identical time-use patterns on the elliptical device and demonstrated concurrent validity with time-stamped computer records. Conclusions: Compact elliptical devices could increase energy expenditure during sedentary activities, and may provide proximal environmental cues for increasing energy expenditure across multiple life domains.

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