Muscle Fibre Characteristics Flashcards by IBY Emily Wilson

Q

Contraction speed of type 1

A

Slow (110)

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Q

Contraction speed of type 2a

A

Fast (50)

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Q

Contraction speed of type 2x

A

Fast (50)

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Q

Motor neurone size of type 1

A

Small

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Q

Motor neurone size of type 2a

A

Large

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Q

Motor neurone size of type 2x

A

Large

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Q

Motor neurone conduction capacity of type 1

A

Slow

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Q

Motor neurone conduction capacity of type 2a

A

Fast

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Q

Motor neurone conduction capacity of type 2x

A

Fast

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Q

Force produced by type 1

A

Low

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Q

Force produced by type 2a

A

High

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Q

Force produced by type 2x

A

High

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Q

Fatiguability of type 1

A

Low

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Q

Fatigability of type 2a

A

Medium

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Q

Fatigability of type 2x

A

High

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Q

Mitochondrial density of type 1

A

High

Q

Mitochondrial density of type 2a

A

Medium

Q

Mitochondrial density of type 2x

A

Low

Q

Myoglobin content of type 1

A

High

Q

Myoglobin content of type 2a

A

Medium

Q

Myoglobin content of type 2x

A

Low

Q

Capillary density of type 1

A

High

Q

Capillary density of type 2a

A

Medium

Q

Capillary density of type 2x

A

Low

Q

Aerobic capacity of type 1

A

Very high

Q

Aerobic capacity of type 2a

A

Medium

Q

Aerobic capacity of type 2x

A

Low

Q

Anaerobic capacity of type 1

A

Low

Q

Anaerobic capacity of type 2a

A

High

Q

Anaerobic capacity type 2x

A

Very high

Q

Myosin ATPase/glycotic enzyme activity of type 1

A

Low

Q

Myosin ATPase/glycotic enzyme activity of type 2a

A

High

Q

Myosin ATPase/glycotic enzyme activity of type 2x

A

Very high