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HUBS191 > Skeletal Muscle: Contraction, Tension, and Fibre Types > Flashcards

Skeletal Muscle: Contraction, Tension, and Fibre Types Flashcards

1
Q

Thin filament, a structural scaffold that runs along the myofilamnt

A

Actin

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2
Q

Thick filament that acts as a motor molecule, attaching to actin and generating force to pull

A

Myosin

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3
Q

Actin and Myosin bind together when…

A

Cellular calcium is high, creating cross bridges

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4
Q

How do actin and myosin cause contractions?

A

Myosin uses energy from ATP to pull on the actin filament

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5
Q

Tetanus

A

Maximum possible force

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6
Q

These fibres produce lots of force quickly but tire out quickly

A

Fast fibres

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7
Q

These fibres are able to generate a lot of energy even while working so are difficult to fatigue

A

Slow fibres

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HUBS191 (32 decks)

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