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Vol. 55. Issue 205.
Pages 29-37 (January - March 2020)
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Vol. 55. Issue 205.
Pages 29-37 (January - March 2020)
Original Article
DOI: 10.1016/j.apunsm.2020.02.002
Could regular practice of volleyball modulate salivary secretory immunity in children? Cross-sectional and longitudinal studies
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Carolina da Silva Peresa, Roberta Pratti Gavaa, Natália Miwa Yoshidab, Julio Cesar Molina Correac, Lorena Beatriz Scudellerb, Gabriela Fleury Seixasd, Carla Cristiane Silvae,
Corresponding author
ccsilva@uenp.edu.br

Corresponding author.
, Cassia Cilene Dezan Garbelinif, Solange de Paula Ramosg
a Health Sciences Center, State University of Londrina, Rodovia Celso Garcia Cid, PR 445 km380, Londrina-PR, Brazil
b State University of Londrina, Rodovia Celso Garcia Cid, PR 445 km380, Londrina-PR, Brazil
c Center of Physical Education and Sports, State University of Londrina, Rodovia Celso Garcia Cid, PR 445 km380, Londrina-PR, Brazil
d Faculty of Odontology, Universidade Norte do Paraná, Rua Marselha, 60 Londrina-PR, Brazil
e Departament of Physical Education, State University of the North of Paraná, Alameda Padre Magno, 841 Jacarezinho, Londrina-PR, Brazil
f Departament of Oral Medicine and Pediatrics Dentistry, Health Sciences Center, State University of Londrina, Rodovia Celso Garcia Cid, PR 445 km380, Londrina-PR, Brazil
g Department of Histology, Center of Biologial Sciences, State University of Londrina, Rodovia Celso Garcia Cid, PR 445 km380, Londrina-PR, Brazil
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Figures (1)
Tables (2)
Table 1. Characteristics of participants and salivary IgA and alpha amylase in girls with different training groups.
Table 2. Correlation between saliva flow rate, SIgA concentration and secretion rate, and Alpha amylase activity with physical characteristics.
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Abstract
Introduction

The aim of these studies was to evaluate the effects of regular volleyball training on salivary SIgA and alpha-amylase in female children and adolescents.

Material and method

In the cross-sectional study, 115 female children (12.6±2.2 years) participating in a Volleyball training program were classified as beginners, intermediate, and competitive level. The children were evaluated regarding caries index, body mass index (BMI), cardiorespiratory fitness, and countermovement jump. In the longitudinal study: 54 girls (intermediate and competitive groups) trained for 8 weeks and were re-evaluated at weeks 4 and 8.

Results

The SIgA secretion rate and alpha-amylase activity did not present correlations with training category, age, caries index, or training status. A weak positive correlation was detected between IgA secretion rate and BMI (r=0.20, p<0.05). After 8 weeks of training, VO2max (p<0.005) and jump height (p<0.005) improved in the competitive girls. No differences were observed in salivary secretion rate, SIgA concentration and secretion rate, or alpha-amylase activity at weeks 4 and 8.

Conclusion

We concluded that despite improving physical fitness, 8-weeks of recreational volleyball training are not able to improve salivary SIgA secretion or alter alpha-amylase activity in female children and adolescents.

Keywords:
Secretory immunoglobulin A
Cardiorespiratory fitness
Muscle strength
Youth sports

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