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Frequency

Intensity

Time

Type (specificity)

Frequency

Frequency is how often a person performs the

targeted health-related physical activity. For

each component of health-related fitness, a safe

frequency is three to five times a week.

Intensity

Intensity is how hard a person exercises during

a physical activity period. Intensity can be

measured in different ways, depending on the

related health-related component. For example,

monitoring heart rate is one way to gauge

intensity during aerobic endurance activities,

but gives no indication of intensity during

flexibility activities

Time

Time is the length of the physical activity. As

with the other aspects of the FITT principle,

time varies depending on the health-related

fitness component targeted. For example,

flexibility or stretching may take 10-30

seconds for each stretch, while the minimum

time for performing aerobic activity is 20

minutes of continuous activity.

Type

Type or specificity, refers to the specific

physical activity chosen to improve a

component of health-related fitness. For

example, an individual wishing to increase

arm strength must exercise the triceps and

biceps, while an individual wishing to

increase aerobic endurance needs to jog, run,

swim or perform some other aerobically

challenging activity.

Reference:

AAHPERD, (1999). Physical Education for

Lifelong Fitness: The Physical Best

Teacher's Guide, Champaign, IL: Human

Kinetics; pgs. 78-79

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15y ago

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