Indoor Cycling Instructor

Category - Routine

Intervals are mainly used to:
  1. Prevent boredom in a spin class and add variety.
  2. Increase fitness by stimulating the heart rate to a high level before allowing it to recover.
  3. Prevent participants from becoming exhausted.
  4. Give the instructor time to explain the next part of the workout.
  5. All of the above
Explanation
Answer: B - Intervals are mainly used to increase fitness by stimulating the heart rate to a high level before allowing it to recover. Intervals allow participants to work at a much higher level of effort for a short period than they could sustain for a longer time. This places the cardiovascular system under short periods of high stress, with a recovery period in between, and is a very effective tool for increasing overall cardiovascular fitness.
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