I avoided saying that they weren't athletes for specifically those reasons. Driving at a professional level and surfing competitively are indeed strenuous, diff

I avoided saying that they weren't athletes for specifically those reasons. Driving at a professional level and surfing competitively are indeed strenuous, difficult, and athletic activities but they do not seem to require building lots of muscle, which would mean they wouldn't be good counter-examples for our protein discussion. Thanks for the reply.