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EXERCISE

Isometric Exercise occurs when your
muscles contract but produce no
movement. An example of this type of
exercise would be pressing against a wall.
 Isotonic Exercise occurs when your
muscles contract to produce movement.
An example of this type of exercise would
be lifting weights.
MUSCLES

Muscle Fatigue occurs due to a lack of
oxygen in the muscle cells. This causes a
build up of lactic acid in the tissue. The
resulting oxygen deficiency can lead to
cramping and pain which will go away
when the exercise slows down.
Muscle Growth

Muscle Growth occurs due to an increase
in the size of the muscle cells, not to an
increase in the number of muscle cells.
 Hypertrophy is the term given to an
increase in muscle mass.
 Atrophy is the term given to a decrease in
muscle mass.