. Author manuscript; available in PMC: 2008 Dec 5.

Published in final edited form as: Arterioscler Thromb Vasc Biol. 2007 Oct 11;27(12):2650–2656. doi: 10.1161/ATVBAHA.107.153288

Table 2.

Effects of Physical Inactivity on Brachial Artery Parameters and Blood Pressure

	Baseline Day 1	Bed Rest Day 3	Bed Rest Day 5	P Value
Systolic blood pressure, mm Hg	109±8	112±9	116±13	0.01
Diastolic blood pressure, mm Hg	64±8	66±6	68±7	0.21
Heart rate, bpm	64±8	64±10	64±8	0.93
Baseline diameter, mm	4.19±0.46	4.09±0.43	4.08±0.46	0.02
Flow-mediated dilation, mm	0.35±0.13	0.39±0.12	0.35±0.13	0.15
Flow-mediated dilation, %	8.5±3.4	9.7±3.4	8.7±3.5	0.14
Nitroglycerin-mediated dilation, %^*	14.4±3.9	19.6±2.9	18.9±3.0	0.14
Flow-mediated dilation, mm/hyperemic flow velocity, mm^* (100^* cm/s⁻¹)	0.23±0.09	0.29±0.11	0.25±0.10	0.003
Baseline flow, mL/min	199±147	153±81	156±90	0.13
Baseline flow velocity, cm/s	23.1±2.9	18.8±1.6	19.3±1.6	0.14
Peak flow velocity, cm/s	157.4±7.4	137.4±6.1	141.2±5.5	0.01

Data are presented as mean±SD, P values for RM-ANOVA.

n=7.