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Journal of Strength & Conditioning Research:
doi: 10.1519/JSC.0000000000000576
Original Research

Verification Criteria for the Determination of V[Combining Dot Above]O2max in the Field

Sánchez-Otero, Tania1; Iglesias-Soler, Eliseo1; Boullosa, Daniel A.2; Tuimil, José L.1

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Abstract

Abstract: Sánchez-Otero, T, Iglesias-Soler, E, Boullosa, DA, and Tuimil, JL. Verification criteria for the determination of

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in the field. J Strength Cond Res 28(12): 3544–3551, 2014—The purpose of this study was to evaluate if a verification test (VT) performed in the field offers more confident results than do traditional criteria in the determination of maximal oxygen uptake (

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). Twelve amateur runners (age, 36.6 ± 6.6 years) performed a maximal graded field test and after 15 minutes of passive recovery a supramaximal test to exhaustion at 105% of their velocity associated with

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(v

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). Traditional criteria and 2 different verification criteria were evaluated. Verification criteria were (a) maximal oxygen uptake achieved in the VT (

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) must be ≤5% higher than

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, and (b) no significant differences of means between tests. All participants met the first verification criterion although significant differences were found between

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and

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(59.4 ± 5.1 vs. 56.2 ± 4.7 ml·kg−1·min−1, p < 0.01). The criteria for the plateau, peak heart rate (HRpeak), maximum respiratory exchange ratio (RERmax), and maximum blood lactate concentration ([La]max) were satisfied by 75, 66, 92, and 66 of the participants, respectively. Kappa coefficients gave a significant and substantial agreement beyond chance between traditional criteria (p < 0.001). Despite the substantial agreement, traditional criteria induced the rejection of participants that might have achieved a true

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with HRpeak and [La]max being the more stringent criteria for amateur runners. A verification protocol in the field using the criterion based on individual analysis is recommended.

Copyright © 2014 by the National Strength & Conditioning Association.

 

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