Welcome to Just Answer. I am an Adult Neurologist and was contacted to answer your question.
hello. I am going to assume that he was using a push mower, and the mower was vibrating (?)
Vibration is a well known to induce tremor in the upper arms. If both of these spells happened with the lawn mower, than that, rather then Tourettes syndrome would be implicated
I will attach a medical paper that discusses how vibration can interfere with the 1a afferent circuits that establish muscle tone
and can elicit a tremor across the elbow
Please get back to me with questions when you are online, or rate my service if satisfied. Dr Frank t
Yes, he was using a push mower and I would assume it was vibrating. I look forward to reading the article. Do you think that this is a reason to see a neurologist? I did speak w/ his pediatrician and she didn't seem too concerned. But, I (being an Adult Nurse Practitioner and not in Neuro) have my mind in all directions from Parkinsons, MS, lymes...etc!
It both of these episode were in association with a vibrating lawn mower, no question, no reason to see a neurologist.
this is actually quite common, it certainly has happened to me.
Please get back to me if you have questions
Dr Frank T
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