Calculate Target Heart Rate

The most prominent and accurate means of determining target heart-rate is the Karvonen formula. This formula calculates a percentage of the heart-rate reserve, which is the difference between the resting heart-rate and the maximal heart-rate. Heart-rate reserve = maximal heart-rate - resting … Read More

Target Heart Rate Inaccuracies

When calculating target heart rate, there are several points at which there could be room for error. The first is the + 10 on the age predicted formula (Astrand and Rodahl 1977). Second is using the more generalized method (maximum heart-rate - MHR) of calculating THR without figuring out a … Read More