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                    Moving is Medicine – Gaining a Healthy Heart

9/6/2014

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Vigorous exercise gives the heart muscle a workout.  Like your other muscles it contracts and expands.  The more this contraction and expansion occurs, the greater the heart pumps blood, which then includes ALL kinds of benefits such as:


* improves circulation, which means your muscles and organs get the oxygen they need;   increased oxygen to the brain sharpens your brain

* Increases ability to take oxygen from the blood; giving you increased stamina and endurance due to improved efficiency of both heart and lungs

* Increases total blood volume

* keeps a normal ratio of sodium, calcium and potassium so muscles can contract

* removes wastes products that we do not need

* moves blood around in our bodies so each cell is nourished; normal folks have a total cardiac output of about 10 liters per minute; aerobic exercisers have 20 liters per minute

* lowers blood pressure

* Increased oxygen to cells makes breathing easier and deeper

* increases the good cholesterol (HDL) which resists buildup of plaque

* increases your chances of surviving a heart attack and decreases having a second one

* reduces the effects of lung disorders, asthma, emphysema due to continual oxygen intake  

Stroke Volume and Exercise

* Average heart rate is 76 beats per minute; exercising will make your stroke volume and heart rate increase because the muscles are demanding more oxygen than if you remained in a state of rest.

* With aerobic training, your cardio output or stroke volume and heart rate increase. Consequently, when you walk regularly your resting heart rate will be lower and you will tire less easily.

 

Should you train with a heart monitor?

* Previous history of heart disease,

* Previous history of little if any cardio exercise

* High cholesterol, diabetes, overweight, or any health markers which make your heart work double duty

* Mother nature; heat is also going to raise your heart rate quickly

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Webmaster Lewis Gray LewGray@Juno.com