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Peak Cardiac Output Determined Using Inert Gas Rebreathing: A Comparison of Two Exercise Protocols
Abstract
PURPOSE: This study aimed to compare Q˙peak elicited by a constant load protocol ( Q˙CL ) and an incremental step protocol ( Q˙step ).
METHODS: A noninferiority randomized crossover trial was used to compare Q˙peak between protocols using a noninferiority margin of 0.5 L·min -1 . Participants ( n = 34 (19 female, 15 male); 25 ± 5 yr) performed two baseline V̇O 2peak tests to determine peak heart rate (HR peak ) and peak work rate ( Wpeak ). …
Authors
BOSTAD W; MCCARTHY DG; RICHARDS DL; HELAL L; GIBALA MJ
Volume
55
Pagination
pp. 1014-1022
Publisher
Wolters Kluwer
Publication Date
June 2023
DOI
10.1249/mss.0000000000003125
Journal
Medicine & Science in Sports & Exercise
Issue
6
ISSN
0195-9131