Table 4.

Maximal exercise data

				Men
	Women			YE, n = 10	LLE			OH, n = 10
	YE, n = 10	LLE, n = 7	OH, n = 10		All, n = 21	Performance, n = 14	Fitness, n = 7
V̇o2max, l/min	2.66 ± 0.14*	1.58 ± 0.15†	1.15 ± 0.05	3.92 ± 0.17*	2.67 ± 0.10†	2.89 ± 0.10‡	2.24 ± 0.12	1.95 ± 0.16
V̇o2max, ml·kg−1·min−1	44 ± 2*	26 ± 2†	18 ± 1	53 ± 3*	34 ± 1†	38 ± 1‡	27 ± 2	22 ± 1
V̇o2max, ml·kg LBM−1·min−1	61 ± 3*	39 ± 2	32 ± 1	67 ± 2*	47 ± 2†	51 ± 1‡	40 ± 2	34 ± 1
Ventilation, l/min	101 ± 5*	61 ± 5†	42 ± 2	139 ± 6*	100 ± 4†	108 ± 4‡	84 ± 4	71 ± 6
Heart rate, beats/min	188 ± 2*	164 ± 2†	152 ± 5	193 ± 3*	157 ± 5	167 ± 4‡	138 ± 10	144 ± 6
O2 pulse, ml O2/beat	14.2 ± 0.8*	9.6 ± 0.9	7.6 ± 0.4	20.4 ± 0.9*	17.2 ± 0.6†	17.4 ± 0.5	16.7 ± 1.4	13.7 ± 1.2
RER	1.21 ± 0.02	1.27 ± 0.05	1.24 ± 0.03	1.25 ± 0.02	1.20 ± 0.01	1.21 ± 0.01	1.18 ± 0.03	1.24 ± 0.02
Peak power, W	231 ± 10*	138 ± 11†	91 ± 5	332 ± 11*	222 ± 9†	240 ± 9‡	185 ± 8	151 ± 8

Values are means ± SE. LBM, lean body mass; LLE, lifelong exercisers; OH, old healthy; RER, respiratory exchange ratio; V̇o_2max, maximal oxygen consumption; YE, young exercisers.

^*P < 0.05 vs. other groups;

^†P < 0.05 vs. OH;

^‡P < 0.05 vs. LLE fitness.