Table 2.

Baseline (resting) hemodynamics under each condition

	Young		Older
	Control	CPT	Control	CPT
Blood flow, ml/min
20% WRmax	184 ± 15	171 ± 14	135 ± 27	108 ± 22*
40% WRmax	205 ± 27	181 ± 18	136 ± 27*	114 ± 22
MAP, mmHg
20% WRmax	98 ± 3	112 ± 5†	102 ± 4	107 ± 4†
40% WRmax	99 ± 3	111 ± 5†	101 ± 3	108 ± 3†
HR, beats/min
20% WRmax	70 ± 4	76 ± 4†	63 ± 2	64 ± 2*
40% WRmax	69 ± 4	76 ± 4†	62 ± 2	64 ± 2*
VC, ml⋅min−1⋅mmHg−1
20% WRmax	1.9 ± 0.1	1.6 ± 0.2†	1.3 ± 0.3	0.9 ± 0.2*†
40% WRmax	2.1 ± 0.3	1.7 ± 0.2†	1.3 ± 0.3*	1.1 ± 0.02

Values are means ± SE. MAP, mean arterial pressure; HR, heart rate; VC, vascular conductance.

^*P < 0.05 vs. young adults;

^†P < 0.05 vs. control.