What are training zones and why do they matter? Watching your heart as you exercise can help you get the most benefit from the time you take to exercise. Having a heart rate monitor gives you the ability to focus your efforts. I use a Garmin FR60.

Training Zones Defined https://www.healthhelpzone.com/

Zone 1 Healthy Heart 50 – 69%

This is the beginning zone to help build health. While exercising in this zone is great for your heart it is not strenuous enough to increase your fitness. Walking will get your heart into this zone.

Zone 2 Recovery or Fat Burn 60 – 69%

This zone is where most fat is burned and is great for recovery from harder work. A slow jog is a perfect exercise for this zone.

Zone 3 Aerobic 70 – 79%

Here is where your system is working best to deliver oxygen throughout your body. Now your body is not just burning fat it is also tapping into your carbohydrates at about equal amounts. Running is an ideal exercise for this zone.

Zone 4 Anaerobic 80 – 89%

no pain, no gain – that saying comes from working in this zone. At this level your body can no longer supply the oxygen your body needs. Your system turns to burning glycogen stored in your muscles and produces lactic acid. That lactic acid is what produces muscle soreness. Training in this zone is difficult to maintain; running at a fast pace will often push your heart into this zone.

Zone 5 Red Line 90 – 100%

Just like an engine, running past the red line can’t be sustained. Training in this zone develops speed and fast-twitch muscles. Getting here is often only done by elite athletes or those training at very high intensity interval training.

Calculating Your Training Zones
There are two heart rates that you need to determine your training zones: your resting rate and your maximum pulse. Calculating your resting rate is easier, while your maximum is a bit more of a challenge.

Resting Heart Rate
The best advice I’ve found to determine your resting pulse is to go lay down for 20-30 minutes with your heart rate monitor on, then see the lowest rate that was recorded. Another recommendation is to measure your heart rate as soon as you awake in the morning.

Maximum Heart Rate
Determining your maximum pulse is another topic all together. If you haven’t exercised, or have any possible risk of heart problems, check with your doctor for advise. Pushing your heart rate can be dangerous and should not be done without understanding the risks associated.

Your maximum heart rate is just that, the maximum rate that your heart can pump when you are exerting yourself as much as you can; to your maximum effort. That’s easily said, but no necessarily easily (or safely) done.

One of the most common statements about maximum heart rate is to calculate it by subtracting your age from 220. While that may work for some it can vary significantly for those that have remained active through their lifetime. With a little searching it isn’t hard to find many stories of people online who’s heart rates significantly exceed this general calculation.

There is quite a bit of research that would indicate your maximum heart rate varies from one form of exercise to another. For example running, biking, and swimming will have different limits to your body. For our intent of getting the most benefit from our exercise we should be calculating our training zones based on the type of exercise we will be performing. That makes this process even more challenging.

After quite a bit of searching the most recommended approach to determining your activity specific maximum pulse (after getting your doctors approval, right?) is to do the following while monitoring your heart:

20 minute Build – Start slow the gradually increase your pace over 20 minutes. The goal is to gradually increase the amount you are working your body timed so you are working hard at the end of 20 minutes.

2 minute Spring – Give all you’ve got! Sprint hard. If you are running or biking try to plan your route so you hit the base of a steep hill after 20 minutes and need to spring up the hill. The goal is to exert yourself all out.

10 minute Cooldown – You just pushed yourself hard, so take time to wind back down.
Now go back and check how fast you got your heart to pump during your sprint. In my own experience I find that my heart continues to climb while I’m sprinting, sometimes even hitting the max after my feet have begun to slow back down. This maximum is indeed just that your activity specific maximum heart rate.

Calculating Zones
So now your armed with two numbers, your rested, and you’ve exerted yourself in your favorite training activity. Time for some math. The percentages used to determine the training zones are not percentages of your maximum heart rate; rather they are percentages of your heart rate margin. The margin is the difference between your resting heart rate and your maximum; how much your heart can change in beats per minute.


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