A "J" shaped model exists to explain the relationship between varying amounts of exercise and the risk of upper respiratory tract infections.This curve suggests that the risk of infection ___________.
A)is lowest in sedentary individuals.
B)is lowest in individuals that engage in regular bouts of moderate exercise (i.e. ,moderate in both volume and intensity of exercise).
C)is lowest in individuals that engage in regular bouts of high intensity and long duration exercise.
D)does not differ between sedentary and exercise trained individuals.

Question

Quizplus · Accepted Answer

The "J" shaped model suggests that the risk of infection is lowest in individuals that engage in regular bouts of moderate exercise. Sedentary individuals have a higher risk of infection, while individuals that engage in high intensity and long duration exercise may have an increased risk due to the stress on their immune system.

A "J" Shaped Model Exists to Explain the Relationship Between