Muscle Fibres Flashcards

1
Q

What is a muscle fibre?

A

A long cylindrical muscle cell that are held together in bundles to make up an individual skeletal muscle

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2
Q

What are the two types of muscle fibres?

A

Slow twitch (type 1) and fast twitch (type 2)

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3
Q

What are slow twitch fibres?

A

Fibres that are designed for aerobic exercise and they use oxygen to produce a small amount of tension over a long period of time

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4
Q

What activities are slow twitch fibres best used for?

A

Endurance events as the fibres are resistant to fatigue

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5
Q

What are the two type of fast twitch fibres?

A

Fast oxidative glycolytic fibres and fast glycolytic fibres

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6
Q

What are fast twitch fibres?

A

Fibres that are designed for anaerobic exercise a they produce a large amount of force over a short time

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7
Q

What activities are fast twitch fibres used for?

A

Performers that take place in power events as the fibres become tired easily

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8
Q

What are fast oxidative glycolytic fibres?

A

They are anaerobic fibres that are more resistant to fatigue but generate less force

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9
Q

What are fast glycolytic fibres?

A

They have the greatest anaerobic capacity and therefore generate the largest amount of force

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10
Q

What is aerobic exercise?

A

Exercise that is performed in the presence of oxygen

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11
Q

What is anaerobic exercise?

A

Exercise that is performed in the absence of oxygen and can only be sustained for a short period of time due to the build up of lactic acid

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