Journal
JOURNAL OF STRENGTH AND CONDITIONING RESEARCH
Volume 32, Issue 5, Pages 1207-1213Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1519/JSC.0000000000002414
Keywords
muscular strength; hypertrophy; perlodzatIon; powerlifting
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compare the effects of a high versus a moderate training frequency on maximal strength and body composition. Twenty-eight young, healthy resistance-trained men were randomly assigned to either: 3X per week (3X; n = 16) or 6X per week (6X; n = 12). Dependent variables (DVs) assessed at baseline and after the 6-week training intervention included: squat 1 repetition maximum (SQ1RM), bench press 1 RM (BP1RM), deadlift 1 RM (DL1RM), powerlifting total (PLT), Wilk's coefficient (WC), fat-free mass (FFM), and fat mass. Data for each DV were analyzed using a 2 X 2 between-within factorial repeated-measures analysis of variance. There was a main effect for time (p < 0.001) for Sal RM (3X: +16.8 kg; 6X: +16.7 kg), BP1 RM (3X: +7.8 kg; 6X: +8.8 kg), DL1RM (3X: +19 kg; 6X: +21 kg), PLT (3X: +43.6 kg; 6X: +46.5 kg), WC (3X: +27; 6X: +27.1), and FFM (3X: +1.7 kg; 6X: +2.6 kg). There were no group X time interactions or main effects for group. The primary finding was that 6 weeks of resistance training led to significant increases in maximal strength and FFM. In addition, it seems that increased training frequency does not lead to additional strength improvements when volume and intensity are equated. High-frequency (6X per week) resistance training does not seem to offer additional strength and hypertrophy benefits over lower frequency (3X per week) when volume and intensity are equated. Coaches and practitioners can therefore expect similar increases in strength and lean body mass with both 3 and 6 weekly sessions.
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