How is aerobic capacity affected by age?
A) It decreases 50% between age 20 and 80
B) It decreases 20% between age 20 and 80
C) It remains constant between age 20 and 80
D) It decreases 1% per year

Question

Quizplus · Accepted Answer

Aerobic capacity, often measured as VO2 max, tends to decrease by approximately 50% between the ages of 20 and 80. This decline is due to various factors, including reduced cardiac output, decreased muscle mass, and changes in muscle fiber composition.

How Is Aerobic Capacity Affected by Age