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HIGH INTENSITY TRAINING AND SALIVARY IMMUNOGLOBULIN-A RESPONSES IN PROFESSIONAL TOP-LEVEL SOCCER PLAYERS: EFFECT OF TRAINING INTENSITY.

Abstract : Owen, AL, Wong, DP, Dunlop, G, Groussard, C, Kebsi, W, Dellal, A, Morgans, R, and Zouhal, H. High-intensity training and salivary immunoglobulin A responses in professional top-level soccer players: Effect of training intensity. J Strength Cond Res 30(9): 2460-2469, 2016-This study aimed (a) to test the hypothesis that salivary immunoglobulin A (s-IgA) would vary with training intensity sessions (low-intensity [LI] vs. high-intensity sessions [HI]) during a traditional training program divided into 4 training periods and (b) to identify key variables (e.g., GPS data, rating of perceived exertion [RPE], and training duration), which could affect s-IgA. Saliva samples of 10 elite professional soccer players were collected (a) before the investigation started to establish the baseline level and (b) before and after each 4 training sessions (LI vs. HI). Training intensity was monitored as internal (through heart rate responses and RPE) and external (through GPS) loads. High-intensity sessions were associated with higher external load (GPS) and with higher RPE. Baseline and pretraining s-IgA did not differ between the 4 training sessions both for HI and LI. Post-training s-IgA were not different (in absolute value and in percentage of change) between HI and LI sessions at the first 3 periods. However, at the fourth period, s-IgA concentration for HI session was significantly lower (p ≤ 0.05) than the LI session. The percentage change between s-IgA post-training and s-IgA baseline concentrations differ significantly (p ≤ 0.05) between HI and LI training sessions. Significant correlations between s-IgA and training intensity were also noted. High-intensity soccer training sessions might cause a significant decrease in s-IgA values during the postexercise window as compared with LI sessions. This study encourages coaches to monitor s-IgA in routine, particularly during HI training periods, to take precautions to avoid upper respiratory tract infection in highly trained soccer players.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01159347
Contributor : Laurent Jonchère <>
Submitted on : Wednesday, June 3, 2015 - 11:12:19 AM
Last modification on : Thursday, April 23, 2020 - 3:58:02 PM

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Al Owen, Dp Wong, G Dunlop, C Groussard, W Kebsi, et al.. HIGH INTENSITY TRAINING AND SALIVARY IMMUNOGLOBULIN-A RESPONSES IN PROFESSIONAL TOP-LEVEL SOCCER PLAYERS: EFFECT OF TRAINING INTENSITY.. Journal of Strength and Conditioning Research, Lippincott, Williams & Wilkins, 2016, 30 (9), pp.2460-2469. ⟨10.1519/JSC.0000000000000380⟩. ⟨hal-01159347⟩

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