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Average steady-state changes in MAP, HR, SV, CO, and NIVC from mild exercise (EX) to muscle metaboreflex activation (MMA) in control (filled bars) and after α1-adrenergic blockade [striped bars: prazosin (PZ)] in the same animals before (normal) after induction of hypertension (HTN). *P < 0.05 between control and prazosin; #P < 0.05 between normal and hypertension.
