International Journal of Academic Health and Medical Research (IJAHMR)   Year: 2020 | Volume: 4 | Issue: 9 | Page No.: 1-1 The Effect of Leg Press and Leg Extension with One Leg Hop Progression and Double Leg Hop Progression to the Stregth Leg Muscles and Power of Leg Muscless Muhammad Wahyono, Bayu Akbar Harmono, Yuni Fitriyah Ningsih Abstract: The purpose of this research was to analyze about: (1) to analyze the results of the effects of exercise leg press and leg extension to leg muscle strength; (2) to analyze the results of the effects of exercise leg press and leg extension to leg muscle power; (3) to analyze the results of the effects of exercise one leg and double leg hop progression the leg muscle strength; (4) Analyzing the results of the exercise one leg and double leg progression the leg muscle power; (5) To analyze the effect of the difference between the exercise leg press and leg extension with one leg and double leg hop progression the leg muscle strength; (6) To analyze the effect of the difference between the exercise leg press and leg extension with one leg and double leg hop ho progression the leg muscle power. Target this research was student class of 2014 Sports Coaching Education State University of Surabaya with a total sample of 42 people.