30 minutes of moderate physical activity such as walking is recommended each day to stay healthy, which can be broken into 10 minute bouts. While vigorous activity has benefits, moderate activity is more realistic for most people. Physical activity increases cardio-respiratory endurance and lowers heart disease risk, with even small gains from daily brisk walking. To gain health benefits, individuals need to expend at least 3360 kilojoules during physical activity by doing moderate activities that use 12-25 kilojoules per hour such as swimming, walking, or housework.
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Patterns Physical Activity
1. Analysing Patterns of Physical
Activity
Levels of Physical Activity
Necessary for Health
2. How much physical activity is
enough?
Support for moderate intensity activity
especially walking.
30 minutes of activity is recommended each
day.
Bouts of 10 minutes can accrue to equal 30
minutes.
Vigorous activity remains important, however
unrealistic for majority of the population.
3. Relationship between physical
activity and physical fitness.
Physical activity is movement in general.
Physical fitness focuses on particular
attributes that affect a person’s ability to
perform movements.
Most important physical fitness component is
cardio-respiratory endurance.
This is a measure of the ability of the muscle
cells to use oxygen being delivered to the
circulatory system during extended exercise.
4. Individual who lack cardio-respiratory
endurance find it difficult to perform
endurance work.
Improved cardio-respiratory system is
strongly related to decreased risk of coronary
heart disease.
Significant benefits will be gained through
vigorous activity, however smaller gains will
result from brisk walking each day.
5. Physical Activity and energy
expenditure
Individuals need to expend a minimum of
3360 kilojoules when engaging in physical
activity to enjoy any health benefits.
Appropriate activities include those that use
12 – 25 kilojoules per hour. E.g. swimming
leisurely, walking the dog, line dancing, golf,
lawn bowls, sweeping the yard.