Abstract
Purpose: The objective of this study was to assess a) the effects of 12-week training intervention programme with barbell and dumbbell bench press on one repetition maximum (1-RM); b) the impact of these exercises on increases in throw performance; and c) the transfer effect of the training from barbell to dumbbell bench press and vice versa. Methods: Thirty resistance trained men (age 18.1 ± 0.5 years; body mass 97.4 ± 11.3 kg; stature 183.7 ± 11.3 cm) were randomly assigned to either a barbell [G1 (n = 16) or dumbbell [G2 (n = 14)] bench press and completed 2 weekly training sessions at a relative percentage of the respective 1 repetition maximum (1RM) during a 12-week period. Study outcomes included strength levels measured using 1RM in barbell (BBP) and dumbbell (DBP) bench press, and power measured by seated medicine ball throw (SMBT) test.Results: There was a significant main effect of time for 1RM BBP (F (1,28) = 212.952, p < 0.001, âµ2=.387), 1RM DBP (F (1,28) = 88.325, p < 0.001, âµ2=.336), and SMBT (F (1,28) = 66.579, p = .001, âµ2=.241). No significant interactions between group and time were observed for any of the dependent variables.Conclusions: Findings indicate that BBP and DBP exercises may be equally efficacious in improving measures of upper-body strength and power in resistance trained men.
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