Target Heart Rate and Cardio Monitoring for Safe Workouts

Maintaining a healthy resting heart rate is a key indicator of cardiovascular health, especially during high-intensity HIIT or IVF. Learn how to lower your heart rate while running and evaluate the accuracy of calories burned on heart rate monitors.

Woman riding a bike with a smartwatch heart rate monitor.

What Is an Unfit Persons Heart Rate While Exercising?

Published Jul,08 2011 | By Tara Thackeray

Your heart rate automatically increases when you exercise. It does so to adapt to the increase in activity. Based upon your age, your heart rate varies from one age group to the next. An unfit person has a higher heart rate than a fit person.