Motor Unit

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  • Created by: Stephanie
  • Created on: 28-11-16 08:40
The motor neuron and the group of muscle fibres that it controls
Motor unit
1 of 10
Neurotransmitter that allows the transmission of an impulse across the synaptic cleft
Acetylcholine
2 of 10
If an impulse is of sufficient intensity (above the threshold) then all the muscle fibres within it will contract
All or none law
3 of 10
The interaction of the nervous system with the muscular system
Neuromuscular system
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An increase in responsiveness of a nerve resulting from the additive effect of numerous stimuli
Spatial summation
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Gap between motor end plate and muscle fibre
Synaptic cleft
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Highest level of sustained tension
Tetanic contraction
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Enlargement of individual muscle fibres associated with resistance training
Muscle hypertrophy
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The splitting of individual muscle fibres to create new fibres
Hyperplasia
9 of 10
Fibres most suited to endurance based events
slow twitch
10 of 10

Other cards in this set

Card 2

Front

Neurotransmitter that allows the transmission of an impulse across the synaptic cleft

Back

Acetylcholine

Card 3

Front

If an impulse is of sufficient intensity (above the threshold) then all the muscle fibres within it will contract

Back

Preview of the front of card 3

Card 4

Front

The interaction of the nervous system with the muscular system

Back

Preview of the front of card 4

Card 5

Front

An increase in responsiveness of a nerve resulting from the additive effect of numerous stimuli

Back

Preview of the front of card 5
View more cards

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