Muscle types and muscle fibre types

The heart is classified as an involuntary muscle type

• True

• False

The bicep and triceps are classified as an involuntary muscle type

• True

• False

Voluntary muscle is described as...

• ...smooth muscle

• ...being located in the middle layer of the blood vessels

• ...under conscious control

• ...the muscle found in the heart

How many types of muscle fibre are there

• 2

• 3

• 4

• 5

Type 1 and 2a are muscle fibres found in the body - select the missing muscle fibre type

• Type 1a

• Type 2c

• Type 2x

• Type 2z

A muscle fibre type that has a high aerobic capacity is known as...

• ...type 1

• ...type 2a

• ...type 2b

• ...type 2x

A muscle fibre type that would be used for an 800 metre run is known as...

• ...type 1

• ...type 2a

• ...type 2b

• ...type 2x

Which one of the following is a key characteristic of Fast Twitch X muscle fibers?

• They are Red in color, meaning they contain a lot of mitochondria

• They contract rapidly with great force but fatigue fast

• They are recruited for long duration activities

• They contain high numbers of Mitochondria

Which one of the following is a key characteristic of slow twitch muscle fibers? 

• They contain large amounts of Mitochondria
• They are fast to fatigue
• They are recruited last
• They contain low numbers of Mitochondria

Long distance runners have large proportion of ___________ fibers.

• slow oxidative
• fast oxidative
• fast glycolytic