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

	Placebo Group (n = 10)		Creatine Group (n = 11)
	Pre	Post	Pre	Post
Age (yr)	27 ± 4	-	27 ± 5	-
Height (cm)	181 ± 4	-	178 ± 7	-
Weight (kg)	71.0 ± 6.0	71.2 ± 6.0	72.7 ± 6.6	73.4 ± 6.6*
Total body water (L)	40.4 ± 3.3	40.5 ± 3.2	41.0 ± 3.1	41.6 ± 3.2*
Intracellular Water (L)	21.9 ± 1.8	21.9 ± 1.8	22.2 ± 1.8	22.7 ±
Extracellular Water (L)	18.5 ± 1.5	18.5 ± 1.4	18.8 ± 1.4	18.9 ± 1.5
$V ˙ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafeOvayLbaiaaaaa@2D11@$ O_{2 max} (L·min^-1)	4.3 ± 0.4	-	4.5 ± 0.4	-
$V ˙ MathType@MTEF@5@5@+=feaagaart1ev2aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacPC6xNi=xH8viVGI8Gi=hEeeu0xXdbba9frFj0xb9qqpG0dXdb9aspeI8k8fiI+fsY=rqGqVepae9pg0db9vqaiVgFr0xfr=xfr=xc9adbaqaaeGaciGaaiaabeqaaeqabiWaaaGcbaGafeOvayLbaiaaaaa@2D11@$ O_{2 max} (ml·kg·min^-1)	60.5 ± 4.7	-	61.4 ± 4.6	-
Max work rate (watts)	350 ± 34	-	373 ± 31	-