MUSCULAR SYSTEM Flashcards

1
Q

Muscle fibres

A

Make up voluntary (skeletal) muscle; divided into type I, type IIa and type IIx.

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2
Q

Type I

A

Slow twitch fibres; suited to low intensity work e.g. Marathon running as they can be used for a long period without fatiguing.

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3
Q

Type IIa

A

Fast twitch muscle fibres used in anaerobic work; can be improved through endurance training to increase their resistant to fatigue
.

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4
Q

Type IIx

A

Fast twitch muscle fibres used in anaerobic work and can generate much greater force than any other fibre types but fatigue quickly.

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5
Q

Antagonistic pair

A

Muscles that work together to create movement.

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