How should you use a heart rate monitor?
Measure your heart rate before, during, and after workouts
Measure your heart rate once a week before workouts
Measure your heart rate after every other workout session
Measure your heart rate the day after an intense workout
Measure your heart rate before, during, and after workouts
Measure your heart rate once a week before workouts
Measure your heart rate after every other workout session
Measure your heart rate the day after an intense workout