Cardio is an important part of any fitness regimen, even if you are primarily focused on building muscle. Many of the exercises that can improve your cardiovascular fitness also have other benefits, such as improving strength or agility. 1. Walking/Running Walking or running is the easiest way to increase cardiovascular fitness, but it can be the most mundane for some people. To keep yourself motivated, try to avoid relying exclusively on the treadmill.
20 January 2019