How to find your max heart rate for exercise
 |
| How to find your max heart rate for exercise |
When you exercise at the highest possible intensity, your heart will reach maximal heart rate, the fastest rate it is capable of beating. But exercising at a maximal heart rate for every exercise session will not produce efficient fitness results.
from womens best
https://cnn.it/2IrI4Mq
via Fashion Poses
