Download Concept of fitness and its elements

Fitness and Work
Performance EP 325
Dr. Yahya Alayafi
Email: [email protected]
Concept of fitness and its elements
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What is fitness
Fitness is the ability to meet the demands of a
physical task
The body’s ability to function efficiently and
effectively. Meet emergency situations.
Physical health
- is free from illnesses that affect the
physiological systems of the body such as
heart, the nervous system, etc. A person with
physical health possesses an adequate level
of physical fitness and physical wellness
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Physical wellness
- is a person’s ability to function
effectively in meeting the demands of
the day’s work and to use free time
effectively.
- Physical wellness includes good
physical fitness and the possession of
useful motor skills. A person with
physical wellness is generally
characterized as fit versus unfit.
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Wellness
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is the integration of many different
components (mental, social, emotional,
spiritual, and physical)
Sometimes described as the positive
component of good health.
Wellness need not be limited by illness.
Good
wellness
No illness
Good wellness
Illness
present
Poor
wellness
No illness
present
health related components of physical
fitness
Body composition
- The relative percentage of muscle, fat,
bone and other tissues that comprise the
body (low body fat)
- Cardiovascular fitness
- the ability of heart, blood vessels, blood,
and respiratory system to supply fuel and
oxygen to the muscles and the ability of
the muscles to utilize fuel to allow
sustained exercise. A fit person can
persist in physical activity for relatively
long periods without undue stress.
Health related physical fitness terms
- Muscular Endurance
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The ability of the muscles to repeatedly
exert themselves. A fit person can
repeat movements for long period
without undue fatigue.
- Flexibility
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The range of motion available in a joint. It is
affected by muscle length, joint structure, and
other factors. A fit person can move body
joints through a full range of motion in work
and in play.
Health related physical fitness terms
- Strength
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The ability of the muscles to exert an
external force or to lift a heavy weight. A
fit person can do work or play that
involves exerting force such as lifting or
controlling one’s own body weight.
The health related components of physical
fitness are directly associated with good health
Five components of health related physical
fitness. Possessing a moderate amount of each
component of health related fitness is essential
to disease prevention and health promotion.
High levels of health related fitness relate more
to performance than health benefits
Skill related components of physical
fitness
- Power
- the ability to transfer energy into force
at a fast rate.
- Reaction time
- The time elapsed between stimulation
and the beginning of reaction to that
stimulation.
- Speed
The ability to perform a movement in a
short period of time.
- They are called skill-related because
people who possess them find it
easy to achieve high levels of
performance in motor skills. Such as
those required in sports and in
specific types of jobs.
- More associated with performance
than good health
- It is sometimes called sports fitness
or motor fitness
- A fit person possesses at least
adequate levels of each of the health
related components
Nonperformance component of total
fitness.
- Metabolic fitness
- - Is a state of being associated with lower
risk of many chronic health problems such
as diabetes and heart disease
- It is evidenced by healthy blood fat (lipid
profiles) health blood pressure, health
blood sugar and insulin levels.
- This type of fitness shows positive
responses to moderate physical activity
Nonperformance component of total
fitness.
- Bone integrity
- - soundness of the bones associated with
high density and absence of symptoms of
deterioration.
- Strong healthy bones are important to
optimal health and are associated with
regular physical activity and sound diet.
Training
- Acute responses VS Chronic adaptations
Acute response to raining involve how
the body responds to one bout of
exercise
Chronic adaptations to training mark
how the body responds over time to the
stress of repeated exercise bouts