13 Tips for Women Over 40 to Manage Their Weight | Livestrong.com
As women age, we're faced with serious challenges to our health, fitness and quality of life. Like it or not, when you pass 40, brand new health and fitness hurdles pop up.
Running Heart Rate Zones
1. Maximal heart rate:This number is related to your age. As we grow older, our hearts start to beat a little more slowly. To estimate your maximal heart rate, simply subtract your age from the number 220. 2. Target heart-rate zone:This is the number of beats per minute (bpm) at which your heart should be beating durin