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Target Heart Rate Zone Training!

Over time, your heart becomes more efficient at delivering the oxygen and fuel to the muscles. Learn about the VO2 and Heart Rate methods that are available for tracking your training progress. Read on...

By: Progressive Sporting Systems

Target Heart Rate Training is a systematic method of improving your cardiovascular fitness.

The body's organs and muscles change in response to the demands placed on it. By exercising at sufficiently intense levels, you can overload your cardiovascular system. During rest, your body adapts to strengthen the cardiovascular system.

Over time, your heart becomes more efficient at delivering the oxygen and fuel required by the muscles to maintain this higher level of performance. The skeletal muscles also becomes better at extracting oxygen from the bloodstream. With continued consistent exercise, the cardiovascular system continues to consistently improve.

The Heart
heart The heart is in fact two pumps. The right side receives de-oxygenated blood from the body and pumps blood to the lungs to pick up oxygen. The much stronger left ventricle takes oxygenated blood coming back from the lungs and circulates it to the rest of the body.

Valves control the direction of blood from the atrium to the ventricle, and from the ventricles into the main arteries.

Each heartbeat has two phases. The phase when the muscle in both ventricles contract to pump blood is called systole. When the muscle relaxes, the chambers refill with blood ready for the next beat. This phase is called diastole.


How Do You Know How Hard
You Are Working Out?

Physiologists have discovered that the rate of oxygen used by the muscles during exercise is the best measure of aerobic work. An individual runs on a treadmill while the heart rate and the volume of inhaled and exhaled air are sampled and measured.

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The difference between the volume of oxygen inhaled and exhaled during the test is what the muscles used to burn fuel (mostly carbohydrates and fat). The rate of this oxygen consumption, in liters per minute, is called VO2.

The test is performed at progressively more difficult levels until the individual reaches his or her maximum capability. This maximum rate of oxygen consumption is called the VO2(max).

What Does VO2max Mean?
VO2max is defined as the maximum amount of oxygen that your body can take in, deliver, and use in one minute.

It is limited both by the amount of oxygenated blood the lungs and circulatory system can process, and by the amount of oxygen the muscles can extract from the blood.

It is estimated that VO2max goes down about 1% per year. The fall in marathon performance is known to be about 13% per decade. Click here to find out how to calculate your own VO2max!

VO2MAX CALCULATOR

Enter the total distance covered in meters in 12 minutes and then press the 'Calculate' button.

1600 meters = 1 mile
5280 feet = 1 mile
3 feet = 1 meter

Distance meters
Results
VO2 Max


Measuring Exercise Intensity

The VO2 Method

    The VO2 method is the most accurate way to determine exercise intensity. However, it is not without some serious drawbacks.

    It requires expensive equipment, trained personnel, and specialized facilities... These tests are expensive. Another drawback is that you can't take this specialized and bulky equipment with you when you work out. (This stuff isn't portable.)

Heart Rate During Exertion

    This brings us to the second best way to measure exercise intensity - your heart rate during exertion. The heart rate is much easier to measure than VO2 but it is a very good approximation of VO2.

    It has been observed that the relationship between the percentage of VO2(max) and the percentage of maximum heart rate is very predictable.

    55% VO2max approximately equal to 70% Max Heart Rate

    Studies consistently show the 55% VO2(max) corresponds to approximately 70% maximum heart rate for most individuals. This means that if you know your maximum heart rate (the fastest your heart rate is capable of pumping), you'd have a convenient method of monitoring your workouts.

    APPROX. VO2max CALC USING 70% MAX HEART RATE

    Enter your 70% max heart rate value and press "Calculate".


Determine Max Heart Rate

To accurately determine your maximum heart rate, there are specialized facilities with bulky and expensive equipment that require trained personnel available to you for a price. You can determine your maximum heart rate by undergoing an exercise stress test. If you choose this route, it is important that you undergo a physical examination prior to the test, especially if you are over 35.

Many trainers have also developed tests that you can perform to estimate your maximum heart rate. For instance, one test could involve having you step up and down on a stool at a certain rate for pre-determined durations while the trainer monitors your heart rate.

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Knowing your maximum heart rate will allow you to estimate where you can train to bring about cardiovascular improvements. But since a stress test isn't practical for most individuals, physiologists have developed a number of formulas for estimating maximum heart rate without actually requiring you to take your heart rate up to potentially dangerous levels.

The maximum heart rate formulas provide an approximation of your true maximum heart rate. But by estimating conservatively, you can use these estimates as the foundation for monitoring your exercise intensities.

MAX HEART RATE CALCULATOR

Enter your age, then press "Calculate".


The Target Zone

Once you've determined your estimated maximum heart rate, you can construct a "target zone" for your workouts. Normally, trainers specify "zones" for you to work in. This is because the human heart rate changes continuously. It would be virtually impossible to maintain any selected heart rate.

In addition, it takes a while for the heart to "come up to speed." For these reasons, a "target heart rate zone" has evolved to become the most practical method of measuring exercise intensity.

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Target heart rate zones are expressed as a percentage range based on your maximum heart rate. Your trainer (or your software) will convert these percentages into a target heart rate ranges specific to you.

For instance, your goal may be to maintain your heart rate of between 124 and 144 bpm (beats per minute). For tracking purposes, you would most often only track the duration of your exercise in which you were between your minimum and maximum heart rate goals (your duration "in the zone").

What Does BPM Stand For?
Beats Per Minute.


Target Zone & Training Schedules

RELATED PRODUCT
heart rate monitors
Heart Rate Monitors.
Use these to make sure you are in your target heart rate zone.

Most training schedules incorporate different types of workouts (e.g. long, slow distance, high intensity intervals). You can construct different target zones depending upon the type of workout you are performing. Heart rate monitors can help you stay in that zone so that you can achieve your goal for that workout.

Modern heart rate monitors can tell you "duration in zone" - the amount of time you were in your target heart rate zone. Some will even beep when you are above or below your selected training zone. This makes it far more convenient to track your workouts.

These heart rate monitors usually have a sensor that mounts around your chest and a computer that mounts in a watch-like case on your wrist.

Target heart rate training lets you track improvement over time. This is indicated by a gradual reduction in your resting heart rate. Another indicator of improvement is that you'll need to perform at higher levels to perform the same exercise at the same heart rate range as before.

TARGET HEART RATE CALCULATOR
Enter Your Age - Then press "Calculate".
Results:
Max Heart Rate
60-70% Max Heart Rate
75-80% Max Heart Rate

For instance, you may find that you need to run on a treadmill at say, 4.5 mph to stay in your target heart range when you first start out. You will find that over time you will have to run at, say, 4.8 mph to get your heart to stay inside your target heart range. Paradoxically, over time, you have to perform at higher levels to exercise the same amount.


Conclusion

Target heart rate training provides a scientific approach to tracking your improving levels of fitness. With a decent heart rate monitor, it becomes easier to monitor your workouts. It allows you to measure exercise intensity independently of what activity is being performed by focusing on heart rate as the measure of exercise intensity.

If you haven't been making the kind of progress you know you are capable of, you might consider this methodical approach to improving fitness!

Target Heart Rate Zone Training!
TonyReynolds@PssAthletics.com

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warracing101

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warracing101

I have been doing this treadmill workout and I stay in my zone, and have notice it work 75% heart rate heart rate is 148 at 4.9 mph running for 60min

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Apr 30, 2013 11:18am | report
 
rms018

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rms018

What this says about MHR isn't entirely accurate. Firstly, you can buy a cheap HRM and find your MHR pretty easily now-a-days, you don't need bulky equipment or pricey examinations. Secondly, your MHR is largely determined by your fitness levels and how seriously you've trained. For example, according to the calculator my MHR is only 198, however in reality it is closer to 211. Having said that, I am also race at the collegiate level for cycling, but my point stands.

Jul 8, 2013 5:57pm | report
 
Bramley89

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Bramley89

Your heart can well exceed your maximum heart rate under extreme intensity, so MHR isn't totally accurate

Nov 1, 2013 3:31am | report
  • Body Stats
  • ht: 5'11"
  • wt: 185.19 lbs
  • bf: 16.5%
ne14t

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ne14t

To the person claiming they workout with a heart rate of 211BPM I am calling ********, cardiac arrest happens at 220BPM there is no way you are pushing your heart that hard constantly and surviving it.

May 22, 2014 3:30pm | report
 
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