The Neuromuscular System

What are the characteristics of fast twitch muscle fibres?

• Explosive activities, fatigue slowly
• Endurance activities, fatigue slowly
• Explosive activities, fatigue quickly
• Endurance activities, fatigue quickly

What would the predominant muscle fibre type be for this athlete?

• Slow Twitch
• Fast Twitch A
• Fast Twitch B
• Combination of Fast A and Fast B

A motor unit is made up of _______________.

• all the muscle fibers within a given muscle
• a motor neuron and the muscle fibers it innervates
• all the neurons going into an individual section of the body
• a fascicle and a nerve

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

Another name for Type II Fibres is....

• Fast Twitch
• Slow Twitch
• Medium Twitch
• Super Twitch

The 'All or Nothing Principle' relates to.....

• All motor units in a muscle
• All muscle fibres in a motor unit
• Each individual muscle fibre.

What would the predominant muscle fibre type be for this athlete?

• Slow Twitch
• Fast Twitch A
• Fast Twitch B
• Combination of Slow and Fast

Which muscle fibre type is known as 'fast oxidative glycolytic'? (Ao1)

• Type 1
• Type 2a
• Type 2b
• Type 1b

Which sporting example relates best to type 2a muscle fibres? (Ao2)

• 100m
• Shotput 
• 400m
• Marathon

A games player would use type 1 muscle fibres when...(Ao3)

• rebounding 
• shooting 
• re-positioning whilst ball is out of play
• pressing an opponent with the ball