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progressive-resistance exercise

American  
[pruh-gres-iv-ri-zis-tuhns] / prəˈgrɛs ɪv rɪˈzɪs təns /

noun

  1. exercise or a program of exercises that builds physical strength, especially 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.