Salivary secretory immunoglobulin a response of elite speed skaters during a competition period

Journal of Strength and Conditioning Research
Michihiro KonHideyuki Takahashi

Abstract

We aimed to determine the responses of salivary secretory immunoglobulin A (SIgA) and the incidence of upper respiratory tract infections (URTI) symptoms among elite speed skaters during an actual competition period. The subjects were 8 international-class elite speed skaters. Saliva samples were obtained 3, 2, and 1 days before the race, the day of the race, and 1 day after the race. Salivary secretory immunoglobulin A concentration was measured by enzyme immunoassay, and SIgA secretion rate was calculated. A visual analogue scale was used to subjectively assess fatigue and tension. Daily URTI symptoms were recorded by using a questionnaire. There was no statistically significant difference in the saliva flow rate (p = 0.69), SIgA concentration (p = 0.07), and subjective fatigue (p = 0.07) during the competition period. The SIgA secretion rate recorded for the day of the race was significantly high compared with that of 3 and 2 days before and 1 day after the race (p < 0.05). The subjective tension recorded on the race day was significantly high compared with that for 3, 2, and 1 days before the race (p < 0.05). Two subjects exhibited URTI symptoms after the race. These findings suggest that salivary SIgA in elite speed skater...Continue Reading

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Citations

Mar 22, 2013·Journal of the International Society of Sports Nutrition·Lara A CarlsonAlexander J Koch
Feb 9, 2012·Journal of Strength and Conditioning Research·Michihiro KonYasuhiro Suzuki
Feb 27, 2013·Journal of Strength and Conditioning Research·Sébastien L PeltierPascal Sirvent
Mar 1, 2018·Journal of Strength and Conditioning Research·Joanna OrysiakDariusz Sitkowski
Jun 25, 2019·Archives of Physiology and Biochemistry·Michihiro KonKohei Nakagaki
Oct 24, 2019·Journal of Strength and Conditioning Research·Joanna OrysiakDariusz Sitkowski
Aug 12, 2020·The Journal of Allergy and Clinical Immunology. in Practice·Scarlett E G TurnerJames H Hull
Sep 15, 2020·Respiratory Physiology & Neurobiology·Michihiro KonKohei Nakagaki

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