Imagine a manufacturing plant. I bet the first thing you pictured is a room filled with intricate machinery. If you neglect to oil it or if you shut it down and let it sit and rust....what happens? Rust and ruin! You'd never do that, right?
The heart is the body's manufacturing pump and cardiovascular workouts are what keeps it working, delivering blood to the lungs and to the rest of the body. Each drop of blood carries nutrients and oxygen to cells of all the organs and tissues of the body and removes waste products from these same cells; they are your circulatory system.
Steady heart exercise, over months and years, produces dramatic improvements in your circulatory system and may save your life. Of course, it's not only the heart muscle that needs to be fit. Exercise can help keep your vascular system (veins and arteries), your respiratory system and your muscle tissue working at peak activity levels.
Regular physical activity reduces the risk of heart disease. Heart disease is currently the number one killer in our society. Start slow...you should be able to carry on a conversation at the peak of your workout even if there is some heavy breathing...and build frequency, intensity and duration as your body becomes accustomed to the workout. Pushing yourself too hard, too soon, is the most common cause of injury and one of the main reasons people give up on fitness too soon.
Don't let your machinery fall to ruin. Get up and move even if it's just a fifteen minute walk.....it's a beginning.
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