Identification of non-invasive exercise thresholds: methods, strategies, and an online app

DA Keir, D Iannetta, F Mattioni Maturana… - Sports Medicine, 2022 - Springer
During incremental exercise, two thresholds may be identified from standard gas exchange
and ventilatory measurements. The first signifies the onset of blood lactate accumulation (the …

[HTML][HTML] Manipulating graded exercise test variables affects the validity of the lactate threshold and

NA Jamnick, J Botella, DB Pyne, DJ Bishop - PloS one, 2018 - journals.plos.org
Background To determine the validity of the lactate threshold (LT) and maximal oxygen
uptake (V˙ O 2 max) determined during graded exercise test (GXT) of different durations and …

Exercise intensity thresholds: identifying the boundaries of sustainable performance.

DA Keir, FY Fontana, TC Robertson… - Medicine and science …, 2015 - europepmc.org
Purpose We tested the hypothesis that CP, RCP, MLSS, and [HHb] BP occur at the same
metabolic intensity by examining the pulmonary oxygen uptake (V) O2p and power output …

Establishing the V̇o2 versus constant-work-rate relationship from ramp-incremental exercise: simple strategies for an unsolved problem

D Iannetta, R de Almeida Azevedo… - Journal of Applied …, 2019 - journals.physiology.org
The dissociation between constant work rate of O2 uptake (V̇o2) and ramp V̇o2 at a given
work rate might be mitigated during slowly increasing ramp protocols. This study …

Open-circuit respirometry: real-time, laboratory-based systems

SA Ward - European journal of applied physiology, 2018 - Springer
This review explores the conceptual and technological factors integral to the development of
laboratory-based, automated real-time open-circuit mixing-chamber and breath-by-breath …

[HTML][HTML] Validity of the Stryd power meter in measuring running parameters at submaximal speeds

F Imbach, R Candau, R Chailan, S Perrey - Sports, 2020 - mdpi.com
This study assessed the Stryd running power meter validity at sub-maximal speeds (8 to 19
km/h). Six recreational runners performed an incremental indoor running test. Power output …

[PDF][PDF] A “step-ramp-step” protocol to identify the maximal metabolic steady state

D Iannetta, EC Inglis, S Pogliaghi, JM Murias… - Med Sci Sports …, 2020 - researchgate.net
The oxygen uptake (V̇O2) at the respiratory compensation point (RCP) closely identifies
with the maximal metabolic steady-state. However, the power output (PO) at RCP cannot be …

Methodological Reconciliation of CP and MLSS and Their Agreement with the Maximal Metabolic Steady State.

D Iannetta, CP Ingram, DA Keir… - Medicine and science in …, 2022 - europepmc.org
Purpose This study aimed to compare the concordance between CP and MLSS estimated
by various models and criteria and their agreement with MMSS. Methods After a ramp test …

A Simple Method to Quantify the V˙ O2 Mean Response Time of Ramp-Incremental Exercise.

D Iannetta, JM Murias, DA Keir - Medicine and science in sports and …, 2019 - europepmc.org
Purpose Therefore, we examined the validity and the reproducibility of a novel method to
calculate the MRT. Methods On two occasions, 12 healthy men (age, 30±10 yr; VO2max …

[HTML][HTML] Bioenergetics of the VO2 slow component between exercise intensity domains

AL Colosio, K Caen, JG Bourgois, J Boone… - … -European Journal of …, 2020 - Springer
During heavy and severe constant-load exercise, VO 2 displays a slow component (VO 2sc)
typically interpreted as a loss of efficiency of locomotion. In the ongoing debate on the …