Representative blots of sAA and sCgA in response to training.

<p>Representative blots of sAA and sCgA in response to training.</p

Daily dietary intake for the subjects during the 48 hours prior to each collection of the samples.

<p>Values are means (SD).</p

Plasma and salivary nitrite.

<p>*Different from Training Week 21 (pNO₂).</p

Plasma catecholamines and salivary proteins.

<p><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0064043#pone-0064043-g002" target="_blank">Figure 2A</a> shows the variation in adrenaline and noradrenaline in response to training. Adrenaline: • Different from Training week 16. *Different from Training Week 21. Noradrenaline: δ Different from Training Week 11. σ Different from Training Week 21. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0064043#pone-0064043-g002" target="_blank">Figure 2B</a> shows the variation in dopamine. *Different from Training Week 16. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0064043#pone-0064043-g002" target="_blank">Figure 2C</a> shows the response of sAA activity vs. concentration. sAA activity: *Different from Training Week 11. sAA concentration: • Different from Training Week 21. <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0064043#pone-0064043-g002" target="_blank">Figure 2D</a> shows the variation in sCgA and sTP in response to training. sTP: *Different from Training Week 11. sCgA: • Different from training week 6. δ Different from training week 11. σ Different from Training Week 16.</p

Salivary flow.

<p>No difference in salivary flow was observed throughout the training season.</p

Heart rate and blood pressure throughout the 21-week training season.

<p>Values are Means (SD).</p

Pearson correlation coefficients between the biochemical markers and the training outcomes at p≤0.05.

<p>sAA = salivary alpha-amylase (activity); [sAA] = salivary alpha-amylase (concentration); Adr = adrenaline; Nor = noradrenaline; Dop = dopamine.</p

Cognitive performance of non-stressed (NS) and stressed (S) subjects during the Stroop test.

<p><b>A.</b> Accuracy of response in Color task and Color-Word task of Stroop test in male and female subjects. <b>B.</b> Reaction time in both tasks of the Stroop test in male and female subjects. (*) Indicates significant differences, p ≤ 0.05 (One-way ANOVA).</p

Biological variables in non-stressed (NS) and stressed (S) subjects.

<p><b>A.</b> Serum cortisol in non-stressed and stressed male and female subjects at rest. <b>B.</b> Salivary alpha-amylase activity prior to the cognitive task in non-stressed and stressed male and female groups. (*) Indicates significant differences, p ≤ 0.05 (One-way ANOVA).</p

Experimental design.

<p>Numbers indicate time in minutes after the collection of blood sample. Stroop Color-Word Test is divided in two tasks, T1: Stroop Color task and T2: Stroop Color-Word task. ISSL test: Lipp Inventory of Stress Symptoms.</p