Have you ever worked out struggling to keep in your target heart rate zone to no avail? (she says with both arms raised high). The ever-so-awesome Katie sent me this article: Recalibrated Formula Eases Women’s Workouts. Thanks Katie!

It seems the old formula for calculating our maximum heart rates was too simplified, and this new version (which is just barely more complex) is the way to go. In the olden days (you know – last week), we would calculate our maximum heart rate by subtracting our age from 220. From there, we …