The excitement of Mr.Dimmesdale's feelings, as he returned from his interview with Hester, lent him unaccustomed physical energy, and hurried him townward at a rapid pace.
It comes from exercise-induced muscle damage, which occurs from unaccustomed exercises, which happens to be exactly what beginners will be doing when they finally start working out.
" Miz Wilkes sont me to work for you, " he said shortly. He spoke rustily, as one unaccustomed to speaking, the words coming slowly and almost with difficulty.
We walked with steady steps that rang on the seafloor with astonishing intensity. The tiniest sounds were transmitted with a speed to which the ear is unaccustomed on shore.