How Does Exercise Affect Your Heart?
By Erica L. Robinson Shared from Active.com
Cardiovascular exercise involves the use of large muscles in a repetitive fashion, activating muscle fibers programmed for endurance and utilizing a heart rate range anywhere from 40 to 85 percent of your maximum heart rate. Think: running, jogging, swimming, biking, or spinning.
How does cardiovascular exercise affect your heart?
When performing cardio, blood