Skip to main content
. 2013 Nov 16;36(2):665–676. doi: 10.1007/s11357-013-9596-x

Table 3.

Work economy (C R) measured at 100 watts from pre- to post-training

Old (n = 13) Young (n = 13)
Pre-training Post-training Pre-training Post-training
VO2
L min−1 1.68 ± 0.06 1.67 ± 0.11 1.74 ± 0.13 1.69 ± 0.11
mL min−1 kg−1 21.8 ± 1.5 21.8 ± 2.0 23.2 ± 3.1 22.3 ± 2.2
VE (L min−1) 41.6 ± 2.9 42.1 ± 4.7 39.5 ± 6.2 38.6 ± 4.6
Respiratory exchange ratio (R) 0.90 ± 0.04§ 0.90 ± 0.04 0.95 ± 0.03 0.93 ± 0.02#
HR (beat min−1) 112 ± 14§ 104 ± 10## 140 ± 20 126 ± 16##

Data presented as mean ± SD

VO 2 oxygen consumption, VE ventilation, HR heart rate

§ p < 0.05 (significant difference from young at pre-test); # p < 0.05; ## p < 0.01 (significant difference within group with training)