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Abstract Details

Abstract Title

Effects of Inspiratory Muscle Training on Cardiorespiratory Function of Wheelchair Rugby Athletes

Abstract Theme

Sport development

Type Presentation


Abstract Authors

Presenter Jeter Pereira de freitas - UNISUAM (Programa de Pós graduação em Ciências da Reabilitação) - BR
Pablo Rodrigo de Oliveira Silva - UNISUAM (Programa de Pós graduação em Ciências da Reabilitação) - BR
Agnaldo Lopes - UNISUAM (Programa de Pós graduação em Ciências da Reabilitação) - BR
Fernando Guimarães - UNISUAM (Programa de Pós graduação em Ciências da Reabilitação) - BR
Miriam Raquel Meira Mainenti - ESEFEX (Departamento de Educação Física) - BR
Patricia dos Santos Vigário - UNISUAM (Programa de Pós graduação em Ciências da Reabilitação) - BR

Presentation Details

Poster Exhibition Site (Local): Red - 3        Date: 2 September        Time: 8am to 7pm        Presenter: Pablo Silva

Abstract Resume

Background: Physical deficiency is associated with negative changes in general health state,  including impaired  cardiorespiratory function due to low mobility, muscles atrophy and
others. Sports practice has been increasing among people with physical deficiency since it is related to a better health profile, quality of life, socialization and self-esteem. Wheelchair rugby  (WR)
is a sport modality adapted for people with tetraplegia or tetraequivalence, which has an intermittent characteristic of effort – aerobic and anaerobic. Therefore, an optimal cardiorespiratory
capacity is desirable tohave a better sports performance. In the last years, the adoption of inspiratory muscle training (IMT) in order to improve cardiorespiratory function been increasing in many
sports modalities, including those for athletes with deficiency. Thus, the aim of this study was to evaluate the effect of inspiratory muscle training on cardiorespiratory function of wheelchair rugby
Methods: A non-randomized study was performed with 06 WR athletes age = 34 (23-42) years, weight = 72,3 (57-90) kg, height = 1,8 (1,7-1,8) m, functional classification = 2,5
(0,5-3,5). The IMT was performed during six weeks, two times/day. Athletes should perform 30 forced inspirations followed by long expirations, but not maximum, with load adjustedbetween 50% and60%  
of   the   maximum   inspiratory   pressure   (Classic, Powerbreathe, United Kingdom).All participants underwent a cardiopulmonary exercise testing with metabolic respiratory gases analyseson an arm
cycle ergometer in order to assess the cardiorespiratory function. The considered variables were: final power (W) and oxygen consumption during exercise peak (VO2peak). The effect of IMT on
cardiorespiratory variables was evaluated with the Wilcoxon test (p<0.05; SPSS 21.0) and descriptive analysis were presented as median (minimum-maximum values).
Results: After the intervention, it was observed that athletes showed statistically higher final power [pre=42,5 (24,0 – 80,0)W vs. post=55,0 (32,0 – 90,0) W; p=0,04]. Regarding
VO2peak, although it was not observed statistically significant differences in the median value of the groupafter the intervention, 50% of the athletes showed higher VO2peak values after the
intervention associated with higher final power; about 33% maintained the same VO2peak, but with increased final power; and 17% decreased VO2peak for the same final power, reflecting a better economy
of motion.Conclusion: Inspiratory muscle training seemed to be effective in order to improve cardiorespiratory function of wheelchair rugby players and, therefore, may be included in
the training routine to improve sports performance. Another   variables   evaluated   was   the   VO2  peak,   that   didn’tpresent difference statistically significantly after 6 weeks of IMT,
however,50% of the athletes presented a bigger value after the intervention
Conclusions: The results obtained on this study point that the addition of IMTin the routine of training can improve the car.

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