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Answer:
Personally,
I wouldn't use those exact terms to describe
the different types of weight training but
I think I know what your friend is referring
to with those descriptions.
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Body shaping
= isolation exercises
These are
exercises that use basically only one joint
or muscle. You are generally not able to
use a lot of weight when doing them so they
are more appropriate for shaping (this is
not always true, however, as I'll explain
later).
Examples include:
Dumbell Flyes,
kickbacks, leg extensions, and concentration
curls.
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Stamina
building = compound exercises
These are
multi-joint exercises that use a lot of
muscle mass and are more effective for building
muscle and strength than isolation exercises.
They use many muscles in combination, hence
the name "compound."
Examples include:
Squats, deadlifts,
bench press, and rowing movements.
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Power training
is a good enough name for the last group.
These exercises
use high speeds, fairly heavy weight and
momentum. They build explosive power which
is very useful in many sports. Though these
exercises also fall into the compound exercise
category, they are not done in the typical,
slower fashion.
Examples include:
Power cleans,
snatches, clean and press, high pulls.
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After understanding
about compound and isolation exercises,
know that much of what results you get from
an exercise is determined by the rep range
and resistance that you are using in it.
For example,
if you do 4-6 reps of dumbell flyes (reaching
failure in that time and using a heavy weight),
you will probably stimulate more muscle
growth than by doing 20 reps of bench press.
Thus, if you
are looking to gain primarily strength,
operate in the 1-5 rep range. If you want
to gain muscle, stay in the 6-12 rep range.
If you are looking for muscular endurance
or "body shaping", go to the 13+
rep range. Use exercises appropriate to
your goals.
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