Mechanisms - Denervation
3 important questions on Mechanisms - Denervation
What happens to the innervation in aged muscles?
- the number of motor units decrease relative to the young
- the number of motor neurons decrease in the spinal cord
- the remaining motor units increase in size
To what characteristics of saropenia is denervation related?
- atrophy of type 2 fibers
- decrease in specific tension
- clustering of muscle fibers
What factor, that is reduced in aged muscle, regulates reinnervation?
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