EN
The cardio training phase is considered aerobic or anaerobic training
depending on the energy expenditure. These two types of training are
defined as follows:
Aerobic Training Zone
While you are in this zone, you are improving your cardiovascular system and
burning fat.
Despite an increased heart rate, deeper breathing and light sweating,
the body is not in a very stressed state, breathing is not significantly
accelerated—you could still talk to someone without going out of breath—
and you feel that you could sustain the physical exertion for a long time. It's
similar to when you briskly walk uphill.
The muscles and heart work more intensely than when the body is at rest
and can get most of their energy needs met via aerobic energy production,
which utilizes oxygen to facilitate energy production. At the same time, the
anaerobic production of energy is also active, but only to a small extent. The
lactic acid produced in this process can be broken down to produce energy.
Most of your training should be aerobic training.
If you continue to increase the intensity, you will eventually come to the
threshold where aerobic energy production is no longer able to increase its
output. At this point, there is a shift towards anaerobic energy production
being used to a greater extent. You are now doing anaerobic training.
Anaerobic Training
When in this zone, you are improving your performance and speed. When
you increase the intensity while in this zone, the training becomes much
more strenuous because of the rising lactate level in the body; you start
sweating more; your breathing gets faster; and after some time depending
on your fitness level, your muscles tire and you feel totally exhausted and
that you can no longer continue at this level of intensity.
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