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What Is Exercise Intensity?

Q: What is exercise intensity?

A: In simplest terms, it's how hard an exercise is at a point in time. The technical definition is the level of momentary exertion during exercise.

Q: Why is it important?

A: Exercise of sufficient intensity is necessary to stimulate the body to make a change. When the body is worked beyond what it is equipped to handle, the body adapts as a form of self-protection.