When hand is in outreach position, fingers trembling. Not hand.

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Fingers trembling when outreaches. The hand does not tremble

2 Answers

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It sounds like peripheral neuropathy. EMG, vitamin levels, and serum copper spinal MRI should be tested to clarify the underlying reasons. Go to see a neurologist first.
Even healthy people may have these symptoms when they are nervous or when they don't have a good sleep. You can wait and see whether the symptoms persist. If they do, you need to get an electromyography and electrolyte test to find out the cause.