Where and how often we Aerobic (60 to 70%)
place ourselves in this heart This zone is great for your
rate reserve will determine our cardiovascular system. This helps
fitness improvements. You obtain your muscles become stronger
different benefits as you progress and more efficient and you
through the different subzones in develop your bodies ability to
your heart rate reserve. Before we transport oxygen to (and carbon
talk about each of these subzones dioxide away from) your muscles.
it is important to understand that You should be spending the
they are approximations. One majority of your training time in this
zone doesn’t finish immediately zone.
a certain heart rate is reached.
The zones tend to meld into one Steady State (70 to 80%)
another.
Anaerobic (80 to 90%)
Real benefits from exercise tend Entering this zone is a sign that
to kick in as you move out of the you have become serious about
bottom 50% of your heart rate your sport. In this zone your body
reserve in into your training zones develops its ability to handle lactic
illustrated in the diagram above. acid. An anaerobic workout takes
place when you are working so
Fat Burning (50 to 60%) hard that your body cannot keep
In this range you are developing up with the production of fuel and
your basic endurance and oxygen and so you need to dip
aerobic capacity. This zone is into your reserves. When you dip
great for burning fat compared to into your reserves you produce
the effort you put in. Other zones numerous waste products -
will also burn up your fat but you principally lactic acid.
will have to work harder to burn
up the same amount.
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