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Cited by 298

The DOI matches its Crossref record; 115 of the 115 references it cites were found in a registry or an index.

The maximal metabolic steady state: redefining the ‘gold standard’

Open access
Jones, Andrew M., Burnley, Mark, Black, Matthew I., Poole, David C., Vanhatalo, Anni·2019·Physiological Reports
DOI 10.14814/phy2.14098
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Abstract

The maximal lactate steady state (MLSS) and the critical power (CP) are two widely used indices of the highest oxidative metabolic rate that can be sustained during continuous exercise and are often considered to be synonymous. However, while perhaps having similarities in principle, methodological differences in the assessment of these parameters typically result in MLSS occurring at a somewhat lower power output or running speed and exercise at CP being sustainable for no more than approximately 20-30 min. This has led to the view that CP overestimates the 'actual' maximal metabolic steady state and that MLSS should be considered the 'gold standard' metric for the evaluation of endurance exercise capacity. In this article we will present evidence consistent with the contrary conclusion: i.e., that (1) as presently defined, MLSS naturally underestimates the actual maximal metabolic steady state; and (2) CP alone represents the boundary between discrete exercise intensity domains within which the dynamic cardiorespiratory and muscle metabolic responses to exercise differ profoundly. While both MLSS and CP may have relevance for athletic training and performance, we urge that the distinction between the two concepts/metrics be better appreciated and that comparisons between MLSS and CP, undertaken in the mistaken belief that they are theoretically synonymous, is discontinued. CP represents the genuine boundary separating exercise in which physiological homeostasis can be maintained from exercise in which it cannot, and should be considered the gold standard when the goal is to determine the maximal metabolic steady state.

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Metadata

Authors
Jones, A. M., Burnley, M., Black, M. I., Poole, D. C., & Vanhatalo, A.
Venue
Physiological Reports
Publisher
Wiley
Published
2019-05
Volume
7
Issue
10
Pages
e14098
ISSN
2051-817X (ISSN-L)
DOI
10.14814/phy2.14098
OpenAlex
W2945126412
Cited by
298
References
115
FWCI
36.98
Type
journal article
Language
en
Open access
gold

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