Table 1.

Systemic hemodynamic responses

	Baseline	Exercise (Control)	Inflation (Nadir)	Inflation (Steady State)	Deflation (Acute)	Deflation (Steady State)
10% MVC (control)
Mean arterial pressure, mmHg	89±3	96±3*	95±3*	97±4*	96±4*	98±4*
Brachial artery pressure, mmHg	89±2	91±2	75±4*‡	88±2†	93±2†	93±3†
Heart rate, beats/min	64±1	64±1	64±1	64±1	64±1	64±1
Cardiac output, l/min	4.9±0.3	5.0±2	5.1±0.2	5.1±0.3	5.1±0.3	5.1±0.4
20% MVC (control)
Mean arterial pressure, mmHg	91±2	99±2*	100±3*	103±3*	103±3*	102±3*
Brachial artery pressure, mmHg	89±2	93±3*	76±3*‡	87±3†‡	94±3†	95±3†
Heart rate, beats/min	63±1	64±1	64±1	65±1	65±1	65±1
Cardiac output, l/min	4.6±0.3	4.9±3	5.0±0.3*	5.1±0.3*	5.2±0.3*	5.1±0.3*
10% MVC (l-NMMA)
Mean arterial pressure, mmHg	91±3	95±2	94±2	96±3*	97±3*	96±3*
Brachial artery pressure, mmHg	93±2	93±2	75±3*‡	90±2†	95±2†	95±3†
Heart rate, beats/min	63±1	63±1	63±1	64±1*	64±1	64±1
Cardiac output, l/min	4.8±0.2	4.9±0.3	4.9±0.3	4.8±0.3	4.8±0.3	5.0±0.4
20% MVC (l-NMMA)
Mean arterial pressure, mmHg	95±2	101±3*	102±4*	104±3*	104±4*	105±4*
Brachial artery pressure, mmHg	92±3	95±3	77±4*‡	90±3†‡	96±3†	98±3†
Heart rate, beats/min	63±1	64±1	64±1	64±1	64±1	64±2
Cardiac output, l/min	4.6±0.3	5.0±0.4	5.0±0.4*	5.1±0.3*	5.1±0.4*	5.2±0.3*

Values are means ± SE; n = 11. l-NMMA, N^G-monomethyl-l-arginine; MVC, maximal voluntary contraction.

^*P < 0.05 vs. baseline;

^†P < 0.05 vs. nadir;

^‡P < 0.05 vs. exercise (control).