Gosh! Thatīs bizarre Abby! Your weakness after vocal exertion, if I remember correctly, was trunk muscle & lower extremities based, right?
(Perhaps the priest would allow you to use a microphone or sit closer up on future occasions!!!!)

You should definitely repeat this experiment a few times.

I have lately been exacerbating bulbar symptoms whilst walking – So in a way, itīs the opposite to yours.