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. 2000 Oct 10;97(21):11482–11487. doi: 10.1073/pnas.97.21.11482

Figure 1.

Figure 1

Physiological effect of NO synthase inhibition and exercise on forearm blood flow. Forearm blood flow measurements, expressed as ml/min/100 g tissue, were performed at baseline, during L-NMMA infusion, and during L-NMMA infusion with hand-grip exercise. Basal forearm blood flow was significantly reduced from 2.79 ± 0.34 ml/min per 100 ml of tissue to 2.04 ± 0.22 ml/min per 100 ml of tissue (P = 0.001) during L-NMMA infusion (data shown represent the average of measurements made during the morning and the repeated afternoon study in 10 individuals). Exercise, during L-NMMA infusion, significantly increased blood flow to 14.50 ± 1.71 ml/min per 100 ml of tissue (P < 0.001). Data are expressed as the mean ± SEM.