Term
What are the 2 types of motor units? |
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Definition
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Term
What is the difference between type I and type II muscle fibres? |
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Definition
Type I are slow; the muscle cells have a low force and a low fatigability Type II are fast; the muscle cells have a high force and a high fatigability |
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Term
How is the force of motor units controlled? |
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Definition
Increased discharge from a motor unit or increased recruitment of motor units |
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Term
What are the 2 types of LMNs? |
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Definition
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Term
What are the 2 roles of muscle spindles? |
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Definition
They are stretch receptors; proprioception and motor reflexes |
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Term
What is the motor supply of muscle spindles? |
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Definition
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Term
What are the 2 types of gamma motor neurons? |
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Definition
Ia: Length and stretch sensitive II: Length sensitive only |
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Term
What is tested in the tendon jerk reflex? |
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Definition
A Ia monosynaptic connection |
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