Table 2.

Baseline hemodynamics and vascular response to intra-arterial infusion of α-2 receptor agonist

		MAP (mmHg)		Control Limb Blood Flow (ml/min)		Experimental Limb Blood Flow (ml/min)		Control Limb Conductance (ml · min−1 · mmHg−1)		Experimental Limb Conductance (ml · min−1 · mmHg−1)
Group	Intensity	Pre	Post	Pre	Post	Pre	Post	Pre	Post	Pre	Post
Young	Rest	117 ± 6	120 ± 4	75 ± 12	82 ± 14	88 ± 14	36 ± 9*	0.65 ± 0.08	0.69 ± 0.10	0.74 ± 0.10	0.30 ± 0.07*
	2.5 mph	132 ± 5	134 ± 5	200 ± 24	230 ± 26	191 ± 23	95 ± 18*	1.50 ± 0.14	1.72 ± 0.19	1.44 ± 0.14	0.69 ± 0.11*
	4 mph 2.5% grade	134 ± 7	139 ± 8	283 ± 51	292 ± 56	285 ± 44	172 ± 37*	2.09 ± 0.36	2.12 ± 0.43	2.13 ± 0.30	1.24 ± 0.25*
Old	Rest	133 ± 13	133 ± 13	64 ± 12	63 ± 13	79 ± 18	20 ± 4*	0.50 ± 0.08	0.48 ± 0.08	0.60 ± 0.12	0.15 ± 0.03*
	2.5 mph	142 ± 6	142 ± 7	254 ± 29	257 ± 27	220 ± 23	122 ± 11*	1.84 ± 0.27	1.85 ± 0.26	1.58 ± 0.20	0.87 ± 0.09*
	4 mph 2.5% grade	158 ± 6	159 ± 7	331 ± 24	324 ± 34	285 ± 32	148 ± 6*	2.51 ± 0.32	2.56 ± 0.40	1.81 ± 0.19	0.93 ± 0.07*

Values are mean ± SE.

^*Significant difference from Pre value, P < 0.05.