What is Cardio? Cardio exercise has become a ubiquitous term in fitness circles, often used alongside phrases like "getting fit" and "losing weight. " But what does cardio actually mean?
In essence, cardio refers to any form of exercise that raises your heart rate and increases blood flow throughout the body.
This can include walking or jogging as well as high intensity interval training (HIIT) or endurance based activities like long distance running or cycling. Aerobic exercises are a primary example of cardio.