Distance-running performances are generally not as good when conducted at high altitude. This is due to the A) lower PO_2. B) greater reliance on creatine phosphate for energy. C) greater reliance on anaerobic glycolysis for energy. D) lower air density.

Question

Quizplus · Accepted Answer

At high altitudes, the partial pressure of oxygen (PO₂) is lower, which reduces the amount of oxygen available for aerobic metabolism, negatively affecting endurance performance.

Distance-Running Performances Are Generally Not as Good When Conducted at High