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Comparative assessments of the COSMED adaptive mixing chamber versus breath-by-breath methods for oxygen uptake measurements in recreationally active adults

Year: 2026

Type: article

Abstract: COSMED recently developed an adaptive mixing chamber (aMC) designed to pair the accuracy of traditional mixing chambers with improved temporal resolution. This study establishes the agreement between the aMC and breath-by-breath (BxB) systems and demonstrates that the aMC consistently enabled ventilatory threshold detection whenever BxB did. These findings indicate that the aMC retains optimal gas-exchange measurement quality while enabling reliable ventilatory threshold identification.

Source: Journal of Applied Physiology

DOI: 10.1152/japplphysiol.00022.2026

Authors: Fabio Borrani, Letizia Conedera, Louis Finiel, Chantal Daucourt, Davide Malatesta, Aaron L. Baggish, Daria Neyroud

Institutions: University of Lausanne, Centre Hospitalier Universitaire Vaudois

Language: English

Topic: Cardiovascular and exercise physiology

Subfield: Complementary and alternative medicine

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: hybrid

OpenAlex ID: W7166537833

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