Submissions from Readers
about the causes of flaccidity in CVA
by shamim mahmooda
Question: As CVA is upper motor neuron lesion then why does flaccidity appear first before spasticity?
: It would be best to ask this question to a neurologist or researcher in neurology. My understanding is that the initial damaged area is not functioning so that there is lack of motor control or influence from this damaged area. After a few hours to weeks, neighboring parts of the brain that are undamaged can alter their function to help compensate for the damaged areas to some extent. This is why flaccidity would be seen at first and possible spasticity later. Again, I am not a neurologist, and this is my basic understanding. Researchers are still investigating the effects of stroke on the brain as well to better understand these changes.
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