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.

Mid section of a doctor taking a patients pulse

Causes of a Slow Heart Rate During Exercise

Published Jul,08 2011 | By Lisa Martin

During exercise, you will notice changes in your heart rate. Specific heart rate ranges based on the person's age, gender, exercise intensity and type and fitness level. A slow heart rate, called bradycardia if under 60 beats per minute, sometimes happens during exercise.