progressive-resistance exercise

pro·gres·sive-re·sis·tance ex·er·cise

(PRE) (prŏ-gres'iv-rĕ-zis'tăns ek'sĕr-sīz) The practical application of the overload principle to improve muscular strength and size. Resistance is gradually and continually increased to keep pace with strength gains as training progresses.