How hard should you exercise?

How fast does your heart beat? What’s the fastest it could beat? And when you exercise, how hard should you be pushing your heart?

In this lesson, students write and graph an equation for a person’s maximum heart rate in terms of his or her age. Next, they learn about the effects that different heart rates have on the body and calculate ideal heart rate zones for different types of workouts. Do your students know how hard they have to work in order to burn fat? The answer may surprise them!

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