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Effects Of Eccentric Contraction Duration On Muscle Strength, Power Production, Vertical Jump And Soreness, Jonathan N. Mike
Effects Of Eccentric Contraction Duration On Muscle Strength, Power Production, Vertical Jump And Soreness, Jonathan N. Mike
Health, Exercise, and Sports Sciences ETDs
Prior research has investigated the effects of either eccentric-only training or comparing eccentric and concentric exercise on changes related to strength and power expression, but no research to date has investigated the impact of altering the duration of either the concentric or eccentric component on these parameters. Therefore, the purpose of this study was to assess the duration of eccentric (i.e. 2-second, 4-second vs. 6-second) muscle contractions and their effect on muscle strength, power production, vertical jump and soreness using a plate-loaded barbell Smith squat exercise. Thirty college-aged males (23 ± 3.5 years, 178 ± 6.8 cm, 82 ± 12 …