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Between
Physical Activity and Exercise
Both
regular exercise and increased physical activity add years to
your life and life to your years. Health benefits are obtained
from increasing the amount of any physical activity you
do. The more you do, the greater the benefits. Physical
activity is any movement that uses energy. Exercise
is physical activity that is structured and is done at a
certain intensity for a certain length of time. We engage in
physical activity for health benefits if we wish to avoid
disease and delay death. We engage in physical activity for
fitness benefits in order to improve some components of
physical fitness (cardio respiratory endurance, muscle
strength, muscle endurance, flexibility, and body
composition).
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Good
Strength-training
Strength training is exercise that uses resistance--for
example, weights--to strengthen and condition the
musculoskeletal system, improving muscle tone and endurance.
"Strength-training" is used as a general term
synonymous with other common terms:
"weightlifting" and "resistance
training." Physiologically, the benefits of consistent
strength training include an increase in muscle size and
tone, increased muscle strength, and increases in tendon,
bone, and ligament strength. Strength-training has also been
shown to improve psychological health as well, by increasing
self-esteem, confidence and self-worth.
These
improvements have a great influence on our physical
performance, metabolic efficiency, physical appearance and
risk of injury.
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