In a "two-legged" maximal cycle ergometer test,if each leg were to vasodilate to the extent experienced in a one-legged VO₂ max test,mean arterial blood pressure would fall below normal levels.

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A maximal cycle ergometer test utilizes both legs, therefore, the total muscle mass involved in the exercise is greater than in a one-legged VO₂ max test. As a result, the total vasodilation in the legs during the maximal cycle ergometer test would be greater than in a one-legged max test, leading to a decrease in peripheral vascular resistance and a drop in mean arterial blood pressure below normal levels.

In a "Two-Legged" Maximal Cycle Ergometer Test,if Each Leg Were