Cited by 34Physical Activity and HealthContext-Aware Activity Recognition SystemsCardiovascular and exercise physiology

Different Location of Triaxial Accelerometer and Different Energy Expenditures

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Kim, Do Yoon, Jung, Yoo-Suk, Park, Rae-Woong, Joo, Nam-Seok·2014·Yonsei Medical Journal

Abstract

PURPOSE: We performed a study to determine the best appropriate wearing site of a triaxial accelerometer at different exercise speeds. MATERIALS AND METHODS: We conducted an observational study with 66 healthy Korean adults (26 men and 40 women). Resting metabolic rate (RMR) before exercise, physical activity-related energy expenditure (PAEE) by cardiorespiratory gas analyzer and Signal Vector Magnitude (SVM) were measured while wearing four triaxial accelerometers on four different sites (wrist, waist, upper arm, and ankle) at exercise speeds from 2-10 km/h. RESULTS: The mean RMR was 4.03 mL/kg/min and Actual METs (oxygen consumption at different exercise speeds divided by individual RMR) compared with the calculated METs (oxygen consumption divided by 3.5 mL/kg/min) showed relatively low value. The overall correlation between PAEE and SVM was highest when the accelerometer was worn on the wrist at low exercise speed (r=0.751, p<0.001), waist at a moderate speed (r=0.821, p<0.001), and ankle at a high speed (r=0.559, p<0.001). Using regression analysis, it was shown that the ankle at a low speed (R²=0.564, p<0.001), high speed (R²=0.559, p<0.001), and the waist at a moderate speed (R²=0.821, p<0.001) were the best appropriate sites. CONCLUSION: When measuring the PAEE and SVM at different exercise speeds, the ankle in low and high exercise speed, and waist in moderate speed are the most appropriate sites for an accelerometer.

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Crossref · 10.3349/ymj.2014.55.4.1145

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  • There is currently limited reliability and validity data relating to the Fitmeter; however, it has been reported that the Fitmeter does correlate with gas analyzer measures for energy expenditure (r2=0.82).

    “There is currently limited reliability and validity data relating to the Fitmeter; however, it has been reported that the Fitmeter does correlate with gas analyzer measures for energy expenditure (r2=0.82) [85].”

    From Consumer-based wearable activity trackers increase physical activity participation: systematic review and meta-analysis (2019) · cites this paper as [85]

    The Methods and Results report an association between Fitmeter acceleration measurements and energy expenditure measured using oxygen consumption from a gas analyzer. But the Results give r=0.821 for the waist at moderate exercise intensity, not r²=0.82; the regression Results give R²=0.674 for that condition. The cited paper does not establish the broader claim that Fitmeter reliability and validity data are limited. (LLM, conf=0.88)

    Experimental — accuracy not yet measured

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Authors
Kim, D. Y., Jung, Y.-S., Park, R.-W., & Joo, N.-S.
Affiliations
  • Fit. Life Inc., Suwon, Korea.
  • Ajou University (KR)
Corresponding author
Joo, Nam-Seok
Venue
Yonsei Medical Journal
Published
2014
Volume
55
Issue
4
Pages
1145
ISSN
  • 0513-5796 (ISSN-L)
  • 1976-2437
OpenAlex
W1964081832
Cited by
34
References
21
Citations by year
2022: 3 · 2021: 3 · 2020: 5 · 2019: 4 · 2018: 5 · 2017: 5 · 2016: 6 · 2015: 3
FWCI
3.11
Type
journal article
Language
en
Open access
Locations
  • Yonsei Medical Journal (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • AJOU Open Repository (Ajou University) (submittedVersion, cc-by-nc)
Funders
Korea Healthcare technology R&D Project, Ministry for Health, Welfare & Family Affairs, Republic of Korea (A084120)
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
Keywords
triaxial accelerometer, physical activity energy expenditure, exercise speed, resting metabolic rate, oxygen consumption, wrist, waist, ankle joint, upper arm, activity monitoring
MeSH terms
Adult, Anthropometry, Basal Metabolism, Energy Metabolism, Female, Humans, Male, Middle Aged, Oxygen Consumption, Exercise, Young Adult

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