Estimation of Metabolic Energy Expenditure during Short Walking
                    Bouts

Ilse Johanna Blokland; Jos J. de Koning; Thomas van Kan; Coen A. M. van Bennekom; Jaap H. van Dieen; Han Houdijk

doi:10.1055/a-1373-5770

International Journal of Sports Medicine, Inhaltsverzeichnis

Int J Sports Med 2021; 42(12): 1098-1104
DOI: 10.1055/a-1373-5770

Training & Testing

Estimation of Metabolic Energy Expenditure during Short Walking Bouts

Autoren

Ilse Johanna Blokland

¹Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
Jos J. de Koning

¹Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
Thomas van Kan

¹Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
Coen A. M. van Bennekom

²Heliomare, Research and Development, Wijk aan Zee, Netherlands

³Coronel Institute of Occupational Health, Academic Medical Centre, University of Amsterdam, Amsterdam, Netherlands
Jaap H. van Dieen

¹Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
Han Houdijk

¹Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands

²Heliomare, Research and Development, Wijk aan Zee, Netherlands

Abstract

Assessment of metabolic energy expenditure from indirect calorimetry is currently limited to sustained (>4 min) cyclic activities, because of steady-state requirements. This is problematic for patient populations who are unable to perform such sustained activities. Therefore, this study explores validity and reliability of a method estimating metabolic energy expenditure based on oxygen consumption (V̇O₂) during short walking bouts. Twelve able-bodied adults twice performed six treadmill walking trials (1, 2 and 6 min at 4 and 5 km/h), while V̇O₂ was measured. Total V̇O₂ was calculated by integrating net V̇O₂ over walking and recovery. Concurrent validity with steady-state V̇O₂ was assessed with Pearson’s correlations. Test-retest reliability was assessed using intra-class correlation coefficients (ICC) and Bland-Altman analyses. Total V̇O₂ was strongly correlated with steady-state V̇O₂ (r=0.91–0.99), but consistently higher. Test-retest reliability of total V̇O₂ (ICC=0.65–0.92) was lower than or comparable to steady-state V̇O₂ (ICC=0.83–0.92), with lower reliability for shorter trials. Total V̇O₂ discriminated between gait speeds. Total oxygen uptake provides a useful measure to estimate metabolic load of short activities from oxygen consumption. Although estimates are less reliable than steady-state measurements, they can provide insight in the yet unknown metabolic demands of daily activities for patient populations unable to perform sustained activities.

Key words

oxygen uptake - oxygen uptake kinetics - steady state - test-retest reliability - aerobic load - validity

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Referenzen

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