Within the past few years, heart rate monitoring has become a popular fitness trend.
Monitoring your heart rate can be used to measure how hard you're working during an exercise, and track changes in your fitness level. Cardiac intervals are a high-intensity option for increasing the power of the cardiac muscle and its mitochondrial density.
Why would you want to consider using this method of fitness?
Listen in as George Centeio, MA, shares the basics of heart rate monitoring.