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Abstract Details

Abstract Title

Relationship Between the Rate of Perceived Exertion and Treadmill Speed in Soccer Players

Abstract Theme

Neuroscience and sport

Type Presentation

Poster

Abstract Authors

Presenter Luis Felipe Tubagi Polito - São Judas Tadeu University (Graduate Program in Physical Education) - BR
Aylton José Figueira Junior - São Judas Tadeu University (Graduate Program in Physical Education) - BR
Marcelo Callegari Zanetti - São Judas Tadeu University (Graduate Program in Physical Education) - BR
Carla Giuliano Pinto Montenegro - Albert Einstein Hospital (Graduate Program in Health Sciences) - BR
Marcelo Luiz Marquezi - Cidade de São Paulo University (Metabolism Laboratory) - BR
Juliana Lino - Cidade de São Paulo University (Metabolism Laboratory) - BR
Kátia Ponciano - São Judas Tadeu University (Graduate Program in Physical Education) - BR
Danilo Sales Bocallini - São Judas Tadeu University (Graduate Program in Physical Education) - BR
Hamdi Chtourou - National Centre of Medicine and Sciences in Sport (Tunisian Research Laboratory “Sport Performance Optimisation”) - TN
Presenter Felipe Dorta Valverde - Metodista de São Paulo University (Physical Education Course) - BR
Marcelo Santin Cascapera - Cidade de São Paulo University (Metabolism Laboratory) - BR
Maria Regina Ferreira Brandão - São Judas Tadeu University (Graduate Program in Physical Education) - BR

Presentation Details

Poster Exhibition Site (Local): Orange - 8        Date: 2 September        Time: 8am to 7pm        Presenter: Luis Polito

Abstract Resume

Background: The central signals from ventilation and also the peripheral signals integration from the muscles and joints have their integration in the somatosensory cortex, enabling
local or general perception of effort. Another more recent theoretical model explain the perceived exertion by increasing corollaries stimuli to motor impulses, where the intensification of motor
impulses generated by the central nervous system for the movement executions would be the main factor responsible for the increased of rate of perceived exertion (RPE). Despite the RPE usually be uses
as estimate of internal training load and monitoring the exercise, few instruments are designed and validated for specific populations and sports. Thus, the purpose of this study was to validate a
specific perceived exertion scale for soccer players using cartoons and numbers, checking the validity of this instrument from its correlation with the treadmill velocity during the incremental test,
and the correlation of velocity with other physiological and metabolic parameters. Methods: the Gol Cartoon Scale (GOL) composed by 6 cartoons that show different  grades of effort
(1: low effort to 6: exhaustion) and the Heart Rate (HR), Percentage of Maximal Heart Rate (%HRmax), and the Blood Lactate Concentration ([La]) were evaluated at the maximum cardiorespiratory exercise
test by ergospirometry.  The test protocol consisted of 3 minutes stimulus steps with 1-minute recovery between progressive increases of 1 Km/h. Thirteen soccer players (age 18.8 ± 0.77 years, height
177 ± 8.0 cm, body mass 70.8 ± 7.53 kg, body fat percentage 13.42 ± 3.19 %, lean mass 60.49 ± 4.75 kg and fat mass 9.60 ± 3.19 kg) were evaluated. Correlations among the treadmill velocity, GOL, HR,
%HRmax, and [La] scales was assessed for each three minutes and for the total test (p<0.05). Results: the results showed a high and significant correlation between the variables
Treadmill Speed and Gol Scale (r = 0.90, p<0.05), Treadmill Speed and HR (r = 0.86, p<0.05), Treadmill Speed and %HRmax (r = 0.93, p<0.05), Treadmill Scale and [La] (r = 0.77, p<0.05).
Conclusions: We can conclude that the Gol Cartoon Scale is a valid, practice and good option to determine RPE in soccer players, and can be used to soccer players from different
nationalities and languages.

(11) 9.6195-8447 / e-mail: lfelipeef@uol.com.br


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