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Correlates of session-rate of perceived exertion (RPE) in a karate training session
The aim of this study was to analyze the relationships between the rate of perceived exertion (RPE) of a whole exercise session (RPE-S) and objective measures of exercise intensity during a karate training session. Eight well-trained karate athletes performed a single training session involving basi...
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Published in: | Science & sports 2011-02, Vol.26 (1), p.38-43 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The aim of this study was to analyze the relationships between the rate of perceived exertion (RPE) of a whole exercise session (RPE-S) and objective measures of exercise intensity during a karate training session.
Eight well-trained karate athletes performed a single training session involving basic karate techniques and sparring. Heart rate (HR) was continuously monitored, while blood lactate ([lac]b) and rating of perceived exertion using the Borg's 6–20 scale were taken each 10-min during exercise. Athletes were also asked to rate their RPE-S using a modified CR-10 scale 30-min after exercise.
Significant relationships (
P
<
0.05) were found between RPE-S and mean values of %HRmax (
r
p
=
0.91), %HR reserve (
r
p
=
0.87), [lac]b (
r
p
=
0.96), and RPE (
r
p
=
0.78) during the session, but not between RPE-S and the duration of exercise bout (
r
s
=
−0.28;
P
>
0.05). RPE-S was also significantly related (
P
<
0.05) to percentage of time sustained under ventilatory thresold (VT) (
r
p
=
−0.96), between VT and respiratory compensation point (RCP) (
r
p
=
0.93) and above RCP (
r
p
=
0.96).
These results suggest RPE-S to be a valid tool for assessing interindividual variations in global exercise intensity during karate training.
Le but de cette étude était d’observer les relations entre la perception de l’effort (RPE) lors d’un exercice global de karaté (RPE-S) et des mesures objectives reflétant l’intensité de l’exercice durant une séance d’entraînement.
Huit karatékas bien entraînés ont effectué une séance d’entraînement comprenant des séquences techniques et d’opposition. La fréquence cardiaque (HR) était enregistrée en continue, alors que la concentration sanguine en lactate ([lac]b) et la RPE (échelle de 6–20 de Borg) étaient mesurées toutes les dix minutes durant la séance. Les athlètes donnèrent aussi leur RPE (échelle de 0–10 de Borg) 30
minutes après la séance.
Des corrélations significatives (
p
<
0,05) ont été observées entre les valeurs de RPE-S et de HR (exprimées en % de HRmax,
r
p
=
0,91), %HR réserve (
r
p
=
0,87), [lac]b (
r
p
=
0,96), et RPE (
r
p
=
0,78) pendant la séance, mais pas entre RPE-S et la durée de l’exercice (
r
p
=
−0,28 ;
p
>
0,05). RPE-S était aussi significativement corrélée (
p
<
0,05) au pourcentage de temps passé sous le premier seuil ventilatoire (
r
p
=
−0,96), entre les seuils (
r
p
=
0,93) et au dessus du point de compensation respiratoire (
r
p
=
0,96).
Ces résultats suggèrent que RPE-S peut être un outil valide pour |
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ISSN: | 0765-1597 |
DOI: | 10.1016/j.scispo.2010.03.009 |