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Some people refer to weight training as strength training. While
they are not exactly the same, they are both similar to each other.
Strength training focuses on increasing muscular strength and size.
Weight training is one type of strength training using weights as the
primary force to build muscle mass.

The basic principles of weight training are pretty much the same
as those of strength training. It involves a manipulation of the
numbers of reps, sets, tempo, exercise types, and weight moved to
cause desired increases in strength, endurance, size, or shape.
The specific combination of reps, sets, exercises, and weight
depends upon the desires of the body builder. Sets with fewer reps
can be performed with heavier weights but have a reduced impact on
endurance.

Equipment used in weight training include barbells, dumbbells,
pulleys, and stacks in the form of weight machines or the body’s own
weight as in push-ups and chin-ups. Different weights will give
different types of resistance.

Weight training also focuses on form performing the movements
with the appropriate muscle groups and not transferring the weight to
different body parts in order to move great weight. If you don’t use
good form in weight training, you risk muscle injury which could hinder
your progress.

Another form of weight training is resistance training.
Resistance training involves the use of elastic or hydraulic resistance
to contraction rather than gravity. When your muscles are resisting a
weight, the overall tone of that muscle will grow over time.

If you are a beginner at weight training, you should not just
“jump right in”. You need to build up your strength and over-working
your muscles can cause more harm than good. Some of your muscles
might be naturally stronger than others. Building up slowly allows
muscles to develop appropriate strengths relative to each other.