Vibration is felt over boney prominences, always do it over bone. A knuckle would be ideal in the hands.
-“Do you feel any buzzing?”
-“Yes.”
-“Do you feel any buzzing?”
-“Yes.”
-“Excellent. Feel any buzzing over the ankle?”
-“Yes.”
-“Now?”
-“No.”
I stopped the buzzing. That was one of my negative stimuli to make sure he is paying attention.
-“Let’s do it again, now. Feel any buzzing?”
-“Yes.”
-“Same both sides?”
-“Yes.”
-“Very good.”