Table 2.

RER, blood glucose, plasma insulin, fatty acids, glycerol and lactate before exercise, near exhaustion and during an 18 h post-exercise recovery period

Time	RER	Glucose	Insulin	Fatty acids	Glycerol	Lactate
(h)		(mmol l−1)	(μU ml−1)	(mmol l−1)	(mmol l−1)	(mmol l−1)
Rest	0.77 ± 0.02	4.2 ± 0.12	8.9 ± 0.9	0.26 ± 0.04	0.08 ± 0.01	0.3 ± 0.05
Pre-exercise	0.80 ± 0.02	4.1 ± 0.10	14.3 ± 2.0	0.22 ± 0.03	0.09 ± 0.003	0.5 ± 0.04
End-exercise	ND	3.6 ± 0.15	4.5 ± 0.6	0.40 ± 0.06	0.23 ± 0.02‡	5.2 ± 0.6‡
0.5	0.62 ± 0.03‡	3.6 ± 0.10	5.5 ± 0.4	1.27 ± 0.16‡	0.20 ± 0.02‡	1.7 ± 0.3†
1	0.66 ± 0.03‡	3.7 ± 0.18	5.5 ± 1.3	1.54 ± 0.17‡	0.19 ± 0.02‡	0.8 ± 0.15
2	0.77 ± 0.02	6.3 ± 0.30‡	68.3 ± 13.3‡	0.40 ± 0.07	0.11 ± 0.01	1.2 ± 0.2
3	0.77 ± 0.02	5.7 ± 0.31‡	65.7 ± 1.6‡	0.19 ± 0.03	0.09 ± 0.01	1.2 ± 0.1
4	0.80 ± 0.02	5.3 ± 0.30‡	61.9 ± 9.4‡	0.18 ± 0.03	0.09 ± 0.01	0.9 ± 0.08
5	0.84 ± 0.02	4.8 ± 0.25‡	66.6 ± 8.3‡	0.18 ± 0.02	0.09 ± 0.01	0.9 ± 0.10
6	0.79 ± 0.02	4.2 ± 0.21	41.7 ± 3.1*	0.22 ± 0.07	0.08 ± 0.01	0.8 ± 0.09
18	0.76 ± 0.02	4.3 ± 0.11	10.2 ± 1.0	0.44 ± 0.06	0.10 ± 0.04	0.4 ± 0.05

Values are means ±s.e.m., n = 8. RER, respiratory exchange ratio; ND, not determined. Fatty acids are free fatty acids. Significantly different from before exercise

^*P < 0.05

^†P < 0.01.

^‡P < 0.001.