Cross-sectional studies demonstrate that the physiological variable responsible for the large variation in VO₂ max across the normal population is maximal A)heart rate. B)stroke volume. C)arteriovenous O₂ difference. D)systolic blood pressure.

Question

Quizplus · Accepted Answer

Cross-sectional studies have reported that the primary determinant of Variation in Maximal Oxygen Uptake across a normal population is primarily due to stroke volume. This is because the stroke volume increases with the intensity of exercise until the maximal capacity of the heart is reached. Therefore, B (stroke volume) is the best choice.

Cross-Sectional Studies Demonstrate That the Physiological Variable Responsible for the Large