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Effects of Low- vs.High-Load ResistanceTraining on MuscleStrength andHypertrophy inWell-Trained Men Brad J. SchöenfeldMark D. PetersonDan Ogborn2015 год

Effects of Low- vs. High-Load Resistance Training on Muscle Strength and Hypertrophy in Well-Trained Men
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Аннотация: The purpose of this study was to compare the effect of low- versus high-load resistance training (RT) on muscular adaptations in well-trained subjects. Eighteen young men experienced in RT were matched according to baseline strength and then randomly assigned to 1 of 2 experimental groups: a low-load RT routine (LL) where 25-35 repetitions were performed per set per exercise (n = 9) or a high-load RT routine (HL) where 8-12 repetitions were performed per set per exercise (n = 9). During each session, subjects in both groups performed 3 sets of 7 different exercises representing all major muscles. Training was performed 3 times per week on nonconsecutive days, for a total of 8 weeks. Both HL and LL conditions produced significant increases in thickness of the elbow flexors (5.3 vs. 8.6%, respectively), elbow extensors (6.0 vs. 5.2%, respectively), and quadriceps femoris (9.3 vs. 9.5%, respectively), with no significant differences noted between groups. Improvements in back squat strength were significantly greater for HL compared with LL (19.6 vs. 8.8%, respectively), and there was a trend for greater increases in 1 repetition maximum (1RM) bench press (6.5 vs. 2.0%, respectively). Upper body muscle endurance (assessed by the bench press at 50% 1RM to failure) improved to a greater extent in LL compared with HL (16.6 vs. -1.2%, respectively). These findings indicate that both HL and LL training to failure can elicit significant increases in muscle hypertrophy among well-trained young men; however, HL training is superior for maximizing strength adaptations.
Год издания: 2015
Авторы: Brad J. Schöenfeld, Mark D. Peterson, Dan Ogborn, Bret Contreras, Gül Sönmez
Издательство: Lippincott Williams & Wilkins
Источник: The Journal of Strength and Conditioning Research
Ключевые слова: Sports Performance and Training, Sports injuries and prevention, Muscle metabolism and nutrition
Другие ссылки: The Journal of Strength and Conditioning Research (HTML)
journals.lww.com (HTML)
PubMed (HTML)