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CARDIORESPIRATORY ENDUCANCE. HEART / LUNGS / BLOOD AND THE BODY. Cardiorespiratory Endurance. The most important component of physical fitness, and best indicator of overall health. The measure of how efficiently our bodies work: oxygen uptake / distribution and utilization.

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CARDIORESPIRATORY ENDUCANCE

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Cardiorespiratory enducance l.jpg

CARDIORESPIRATORY ENDUCANCE

HEART / LUNGS / BLOOD AND THE BODY


Cardiorespiratory endurance l.jpg

Cardiorespiratory Endurance

  • The most important component of physical fitness, and best indicator of overall health.

  • The measure of how efficiently our bodies work: oxygen uptake / distribution and utilization.

  • Hypokinetic diseases: diseases due to the lack of activity.

    • Hypertension, heart disease, obesity, cancer etc..


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Aerobic Exercise

Low to moderate intensity exercises.

Body requires oxygen to produce energy (ATP).

Walking, jogging, swimming, cycling, etc.

Anaerobic Exercise

High intensity exercises.

Exercise that doesn’t need oxygen to produce energy.

2-3 minutes of high energy bursts.

100, 200, 400 meter sprints, weight lifting, etc.

Aerobic / Anaerobic Exercise


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Higher maximum oxygen uptake

Increase in oxygen-carrying capacity of the blood.

Decrease in resting heart rate

Increase cardiac output & stroke volume.

Lower heart rate at given workloads.

Increase number & size of mitochondria.

Increase number of functional capillaries.

Increased recovery time.

Decreased blood pressure & blood lipids.

Benefits of Aerobic Exercise


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Assessing Cardio. Endurance

  • Determining maximal amount of oxygen the human body is able to utilize in 1 minute.

  • 1.5 mile Run Test

  • 1.0 Mile walk test

  • Step Test (3 min.)

  • Astrand-Ryhming Test

  • 12-Minute Swim Test


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Blood Pressure/Heart Rate Assessment

  • Find pulse / count 30 seconds / multiply by 2 = resting heart rate / beats per minute – (bpm).

  • Bradycardia = slower heart rate than normal (below 40 bpm).

  • Systolic Blood Pressure – pressure on artery walls during heart contractions.

  • Diastolic Blood Pressure – pressure on arteries during rest phase of heart contractions.


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