Comparison of the Cosmed K4b2 Portable Metabolic System in Measuring Steady-State Walking Energy Expenditure

Open Access

Peer-reviewed

Research Article

Comparison of the Cosmed K4b² Portable Metabolic System in Measuring Steady-State Walking Energy Expenditure

Jennifer A. Schrack ,

* E-mail: schrackja@mail.nih.gov

Affiliations Longitudinal Studies Section, Clinical Research Branch, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States of America, Center on Aging and Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America
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Eleanor M. Simonsick,

Affiliation Longitudinal Studies Section, Clinical Research Branch, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States of America
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Luigi Ferrucci

Affiliation Longitudinal Studies Section, Clinical Research Branch, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States of America
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Walking
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Metabolic analysis
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Bioenergetics
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Oxygen metabolism
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Body weight
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Oxygen
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Exercise
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Oxygen consumption
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