Fig. 8From: Progressive arteriolar vasoconstriction and fatigue during tetanic contractions of rat skeletal muscle are inhibited by α-receptor blockadeRelative changes of arteriolar diameter immediately after contractions. Arteriolar diameter changes relative to pre-contraction values after sets 1, 5 and 10 for the control condition and each α-antagonist condition. Values are means ± SE. Significance compared with pre-contraction diameter for each condition: *P < 0.05Back to article page