Statistics for A Level PE - The Neuromuscular System

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General Stats

This quiz has been taken 130 times
(129 since last reset)
The average score is 7 of 15

Answer Stats

Definition	Keyword	% Correct
A motor neurone and its muscle fibres	Motor unit	81%
Muscle fibres with a slow contraction speed and better adapted to lower intensity exercise EG long distance running	Slow oxidative	73%
Muscle fibres that fatigue quickly and used for highly explosive events EG 100m	Fast glycolytic	58%
Where a sequence of impulses has to be of sufficient intensity to stimulate all of the muscle fibres in a motor unit in order for them to contract. If not, none of them contract	All or none law	50%
When the strength of a contraction changes by altering the number and size of the muscle's motor units	Spatial summation	50%
Where there is a repeated nerve impulse with no time to relax so a smooth, sustained contraction occurs, rather than twitches	Wave summation	48%
When there is tension in a muscle but no visible movement	Isometric contraction	45%
These detect how far and how fast a muscle is being stretched and produce the stretch reflex	Muscle spindles	45%
Muscle fibres more resistant to fatigue and used where longer bursts of energy are needed EG 1500m	Fast oxidative glycolytic	40%
Where the motor neurone and the muscle fibre meet	Neuromuscular junction	40%
A sustained muscle contraction caused by a series of fast repeating stimuli	Tetanic contraction	39%
These are activated when there is tension in a muscle	Golgi tendon organs	31%
Where there is a sudden relaxation of the muscle in response to high tension	Autogenic inhibition	24%
Nerve cells which transmit the brain's instructions as electrical impulses to the muscles	Motor neurones	24%
Stretch -> Contraction -> Relax -> Stretch	Proprioceptive Neuromuscluar Facilitation	2%

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