TIME-OF-DAY EFFECTS ON MARKERS OF MUCOSAL IMMUNITY RESPONSE TO A BOUT OF SWIMMING INTERMITTENT EXERCISE IN ELITE MALE SWIMMERS

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FARAMARZI M.; GAYINI A.; ARJOMAND M.

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Journal: SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE) Year:2013 | Volume:5 | Issue:18 Page(s): 23-38

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Title

TIME-OF-DAY EFFECTS ON MARKERS OF MUCOSAL IMMUNITY RESPONSE TO A BOUT OF SWIMMING INTERMITTENT EXERCISE IN ELITE MALE SWIMMERS

Author(s)

FARAMARZI M. | GAYINI A. | ARJOMAND M. | Issue Writer Certificate

Keywords

MUCOSAL IMMUNITYQ2

SALIVARY IMMUNOGLOBULIN AQ2

DIURNAL VARIATIONQ2

ELITE SWIMMERSQ3

SALIVARY ALPHA-AMYLASEQ2

Abstract

High-level athletes necessarily do exercise training at different times-of-day (rather morning & afternoon). The main purpose of this study was to determine the DIURNAL VARIATION effect on responses of mucosal immune indices inclusive saliva flow rate(SFR), alpha-amylase (sAA), SALIVARY IMMUNOGLOBULIN A concentration(sIgA) and sIgA secretion rate(sIgASR) to a training set of intermittent swimming (including: 12´100m front crawl at mean 92% maximum heart rate) in the elite male swimmers. For this reason, in a counterbalanced design, 9 male swimmers of swim national team (age: 17.9±3.1 years) participated in two exercise trails (7:30h: AMEX and 17:00h: PMEX) separated by at last 5 days. Unstimulated whole saliva samples were obtained before and after exercise, and again 1, 3 and 24h later. Mean heart rate, weight lose and mood state was the same at the both trials (p>0.05), but temperature was higher in PMEX (p<0.05). Basis levels of SFR, sIgASR and sAA activity unlike with sIgA were higher in PMEX than AMEX (p<0.05). sIgA was increased immediately after exercise (p<0.001) despite of no change in SFR by drinking water adlibitum, that was caused by increased sIgASR (p<0.005); These changes are associated with increase in sAA activity. Also, the responses of sIgASR and sAA unlike with SFR and sIgA concentration were affected by DIURNAL VARIATION (p<0.001). It appears that these changes properly are due to DIURNAL VARIATION in adrenergic function. Nevertheless, a 1h to 3h rest was enough to return the changes to basis status.

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APA: Copy

FARAMARZI, M., GAYINI, A., & ARJOMAND, M.. (2013). TIME-OF-DAY EFFECTS ON MARKERS OF MUCOSAL IMMUNITY RESPONSE TO A BOUT OF SWIMMING INTERMITTENT EXERCISE IN ELITE MALE SWIMMERS. SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE), 5(18), 23-38. SID. https://sid.ir/paper/228333/en

Vancouver: Copy

FARAMARZI M., GAYINI A., ARJOMAND M.. TIME-OF-DAY EFFECTS ON MARKERS OF MUCOSAL IMMUNITY RESPONSE TO A BOUT OF SWIMMING INTERMITTENT EXERCISE IN ELITE MALE SWIMMERS. SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE)[Internet]. 2013;5(18):23-38. Available from: https://sid.ir/paper/228333/en

IEEE: Copy

M. FARAMARZI, A. GAYINI, and M. ARJOMAND, “TIME-OF-DAY EFFECTS ON MARKERS OF MUCOSAL IMMUNITY RESPONSE TO A BOUT OF SWIMMING INTERMITTENT EXERCISE IN ELITE MALE SWIMMERS,” SPORT PHYSIOLOGY (RESEARCH ON SPORT SCIENCE), vol. 5, no. 18, pp. 23–38, 2013, [Online]. Available: https://sid.ir/paper/228333/en

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