How Much Is Enough?

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Across
  1. 2. Principle of ______ is the amount and intensity of your exercise should be increased gradually
  2. 3. your heart rate is one indicator
  3. 4. _______ of training is the minimum amount of overload you need to build physical fitness
  4. 6. exercise too much; go above your upper limit of activity
  5. 7. ______ fitness zone is the correct range of physical activity to build fitness
  6. 9. the kind of activity you choose to build your fitness
Down
  1. 1. how many times per week you exercise
  2. 2. ______ _______ phyramid gives you a visual aide to understand the types and amounts of physical activity you should do in any given week
  3. 5. the number of times the heart beats each minute
  4. 8. how long you are engaged in the activity