Pronunciation: (pru-gres'iv-ri-zis'tuns), [key]
1. exercise or a program of exercises that builds physical strength, esp. in a weak or injured bodily part, through the lifting of progressively heavier weight according to a formula based on the subject's maximum strength at the starting point.
2. any specific exercise of this type.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.