A high intensity effort, other than genetics, is the most important
factor in getting favorable results from your bodybuilding and weight
training.

Training Keys
A key to your training success is high intensity muscular contractions.
The higher the intensity you are able to generate, the greater the
stimulation for muscle growth.
To build muscle optimally and
efficiently, you need to progressively and continually increase the
degree of intensity that you expose your muscles to.
The higher the level of intensity you are able to generate in a
workout, the shorter the workout must be. You can train hard or
you can train long, but you can't do both. They are mutually
exclusive endeavors. If you haven't seen that sentence before,
read it again and again until it not only sinks in, but sinks
in with complete understanding. Heck, even if you have read it
before, go read it again.
"You can train hard or you can train long, but you can't do both."
That sentence should be in everything you read on the topic of
resistance training programs. Its importance can't be overstated.
Let's use running as an example. You can not sprint (a maximum intensity
anaerobic effort) for a mile. The longer the distance (duration),
the lower the level of intensity. You can't sprint a marathon.
Instead you rely on your aerobic energy system, which is an energy system
used for low to moderate intensities requiring the presence of oxygen.
However, if you sprint, you'll tax your anaerobic energy system (not
requiring oxygen, due to a very short time period of effort). By
definition, the aerobic and anaerobic energy systems are mutually
exclusive.
In our 'more is better' society, many people confuse the concept of
intensity with that of duration, or volume. I'm sure you've heard
people talk about how hard someone works out and then they tell you he
or she works out 2 hours a day. But that's not a hard workout, that's
a long workout, and the two are mutually exclusive. Aerobically, it
may be a "hard" workout, but not for building muscle.
Besides intensity, duration is the other component of an individual
workout. While intensity is a measure of how hard you work at a
given time, or the effort you give to each individual set or rep,
duration is the overall length or volume of the workout itself.
Training intensity and training duration are diametrically opposed.
The greater one component is, the lesser the other must be. The higher
your intensity, the shorter the training session must be.
The balance between intensity, duration and frequency will be
out of wack and you won't know where to go next, unless you
understand these principles and how they interact with one
another.
If you don't train with 100% intensity you will not know if you
worked out hard enough to trigger the adaptation that leads to
muscle growth. Your progress will be hit and miss, a far cry
from the optimal training program that we are looking for.
In addition, if you don't train with 100% intensity, you will
not be able to make accurate adjustments to your training
duration and frequency in order to continually progress.

Why Is This?
With resistance training, your intensity level is
directly related to the amount of muscular fatigue that is
produced. The only two levels that can be currently measured
are 0% intensity and 100% intensity.
Maybe it does take less than 100% intensity to trigger the
adaptive response mechanism. Maybe it takes only 90%.
Again, the problem with this is that we don't know and we
can't measure it.
To continually make progress, we need to find ways to
increase our intensity levels, while reducing the duration
of our workouts and the frequency of those workouts so our
body can recover and adapt before the next workout.

How To Continuously Make Gains...
In order to continue to make progress, you must find ways
to increase the intensity of your exercise, while reducing
both the duration of the exercise and the frequency so that
your body has time to adapt to the increases stress placed
upon it.
Continue to find ways to make your exercise harder and
briefer so that your body will be continually forced to
adapt. Work out less often so that your body can recover.
Your body does not want to change. And once it gets used
to the intensity level of your workout, it will stop
adapting until you generate a higher level of intensity
beyond what it is used to doing.
Thanks,

GGillies9@aol.com
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