Improving cardiovascular health is an important component of a comprehensive physical education program. It is common practice for students to calculate their target heart rate (THR) so that they can monitor their heart rate before and after activities, as well as maintain proper aerobic conditioning. Which of the following is the ideal target heart rate range for maintaining aerobic conditioning?
a.70% to 85% of your maximum heart rate (MHR) for duration of at least 20 minutes or more
b.60% to 80% of your maximum heart rate (MHR) for duration of at least 30 minutes or more
c.50% to 80% of your maximum heart rate (MHR) for duration of at least 40 minutes or more
d.80% to 90% of your maximum heart rate (MHR) for duration of at least 20 minutes or more