How should you use a heart rate monitor?

a. measure your heart rate before, during, and after workouts

b. measure your heart rate once a week before workouts

c. measure your heart rate after every other workout session

d. measure your heart rate the day after an intense workout

Need 5. reflection what factors did you use to determine the validity of your sources? (what was most important and guided your decision to determine validity? ) what factors did you use to determine the reliability of your sources? what was the most important and guided your decision to determine reliability? what form of media resources (internet, publications, music, advertisements, video, etc.) do you think were the most valid and reliable for your question? support your answer. what was your best source? support your answer.