Table 1.

The effect of exercise on circulating hormone and glucose concentrations

	Pre-exercise	Post-exercise	2 h post-exercise
Cortisol (nmol l−1)	560 (19)	615 (46)	412 (24)*†
ACTH (pg ml−1)	37 (8)	116 (22)*	9 (3)
GH (μIU ml−1)	0 (0)	18 (3)*	1 (0)
Glucose (mmol l−1)	4.6 (0.1)	4.7 (0.2)	4.5 (0.1)

Peripheral blood samples were obtained from 11 healthy volunteers before, immediately after and following 2 h of resting recovery from 90 min of exercise at 55% maximal work rate in the heat (34°C). All data represent the means ± s.e.m.

^*Statistically significant (P < 0.01) difference from pre-exercise.

^†Statistically significant (P < 0.01) difference from post-exercise.

GH, gth hormone.