Brain serotonin and dopamine modulators, perceptual responses and endurance performance during exercise in the heat following creatine supplementation

Marios Hadjicharalambous1 Department of Life & Health SciencesUniversity of NicosiaNicosiaCyprus;2 Integrative and Systems Biology, Faculty of Biomedical and Life Sciences (IBLS)University of GlasgowGlasgowUK

Liam P Kilduff2 Integrative and Systems Biology, Faculty of Biomedical and Life Sciences (IBLS)University of GlasgowGlasgowUK;3 School of Human SciencesUniversity of WalesSwanseaUK

Yannis P Pitsiladis2 Integrative and Systems Biology, Faculty of Biomedical and Life Sciences (IBLS)University of GlasgowGlasgowUKCorrespondence[email protected]

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Table 1 Physical characteristics of the two groups of participants. Values are presented as the mean ± SD

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Figure 1 Rectal temperature (top panel), mean skin temperature (middle panel) and mean body temperature (bottom panel) in the Cr (left side) and placebo (right side) supplemented groups. *: indicates a significant difference between pre (●) to post (○) supplementation. †: indicates a significant greater change in the Cr group compared with the placebo group (p < 0.05). Values are given as mean (SD).

Figure 2 RPE (breathing) (top panel) and RPE (legs) (bottom panel) in the Cr (left side) and placebo (right side) supplemented groups during exercise. *: indicates a significant difference between pre (●) to post (○) supplementation. Values are given as mean (SD).

Table 2 Concentrations of total Trp, Tyr, LNAA and free-Trp before and after supplementation.

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Table 3 Total Trp:LNAA, total Trp:Tyr, free-Trp:LNAA and free-Trp:Tyr ratios before and after supplementation.

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Brain serotonin and dopamine modulators, perceptual responses and endurance performance during exercise in the heat following creatine supplementation

Table 1 Physical characteristics of the two groups of participants. Values are presented as the mean ± SD

Table 2 Concentrations of total Trp, Tyr, LNAA and free-Trp before and after supplementation.

Table 3 Total Trp:LNAA, total Trp:Tyr, free-Trp:LNAA and free-Trp:Tyr ratios before and after supplementation.

Table 4 Concentrations of plasma prolactin and FFA before and after supplementation.

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Brain serotonin and dopamine modulators, perceptual responses and endurance performance during exercise in the heat following creatine supplementation

Figures & data

Table 1 Physical characteristics of the two groups of participants. Values are presented as the mean ± SD

Table 2 Concentrations of total Trp, Tyr, LNAA and free-Trp before and after supplementation.

Table 3 Total Trp:LNAA, total Trp:Tyr, free-Trp:LNAA and free-Trp:Tyr ratios before and after supplementation.

Table 4 Concentrations of plasma prolactin and FFA before and after supplementation.

Authors’ original file for figure 1

Authors’ original file for figure 2

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