Module 2 Sports Physiology Flashcards

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1
Q

What is physiology

A

Science behind how human body works

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2
Q

What is exercise physiology

A

It explains how the human body’s response to exercise or physical activity

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3
Q

What is sport physiology

A

Application of physiological principles to improve sports performance

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4
Q

What is cardiorespiratory system

A
Cardiovascular system(heart,  blood, blood vessels) 
Respirstory system (lungs and airways)
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5
Q

Functions of cardiorespiratory

A
Maintenance of blood pressure
Thermoreregulation
Distribution of hormones 
Transport  of nutrients, waste products 
Transport of O2 and Co2
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6
Q

How does Diaphragm work?

A

Pump carbon dioxide out, oxygen enter by contracting, descend into abdomen, thoracic volume increases, but pressure down, so air in drawn in.

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7
Q

How did Diffusion occur?

A

When inhaling, oxygen enter the alveoli, diffuses into the blood through capillaries, carbon dioxide is released from the vein at the same time

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8
Q

What is Tidal volume?

A

Volume of air breathed in and out with each breath.

Usually its 500ml per inspiration, about 7ml/kg of body mass for young adult

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9
Q

What is Ventilation

A

The air movement between the lungs and environment

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10
Q

During light exercise, is it true that both breathing rate and tidal volume contribute to the increase in ventilation?

A

No, only tidal volume.

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11
Q

True or False? An athlete exercising at the the moderate and intense level will have increase in ventilation due to increase in tidal volume and breathing rate.

A

True

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12
Q

Is it true that the increase in tidal volume will stop at 50% of vital capacity (the maximum amount of air a person can breathe after breathing in as much as possible.

A

No, its 60%

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13
Q

What happen when athletes train at high attitude?

A

Cardiorespiratory system changes at high altitude where there is low oxygen level, air pressure lower.

1) Hypoxia occurs; breathing and heart rate double.
2) Acclimatization occurs whereby the body will have additional red blood cells and capillaries.

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14
Q

Where does the oxygenated blood enter in the heart?

A

Through the left atrium and then into the left ventricle for transport to the rest of the body

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15
Q

Where does deoxygenated blood from the rest of the body enter in the heart?

A

Through the right atrium and then the right ventricle and then pump into the lungs

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