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Loading Range for the Development of Peak Power in the Close-Grip Bench Press versus the Traditional Bench Press

机译:与传统卧推相比紧握式卧推可产生峰值功率的负载范围

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摘要

The close-grip bench press (CGBP) is a variation of the traditional bench press (TBP) that uses a narrower grip (~95% biacromial distance) and has application for athletes performing explosive arm actions where the hands are positioned close to the torso. Limited research has investigated CGBP peak power. Twenty-six strength-trained individuals completed a one-repetition maximum TBP and CGBP. During two other sessions, subjects completed two repetitions as explosively as possible with loads from 20% to 90% for each exercise, with peak power measured by a linear position transducer. A factorial ANOVA calculated between- and within-exercise differences in peak power. Partial correlations controlling for sex determined relationships between absolute and relative strength and peak power load. Peak power for the TBP occurred at 50% 1RM, and 30% 1RM for the CGBP. There were no significant (p = 0.680) differences between peak power at each load when comparing the TBP and CGBP. For the within-exercise analysis, there were generally no significant differences in TBP and CGBP peak power for the 20–50% 1RM loads. There were no significant relationships between strength and peak power load (p = 0.100–0.587). A peak power loading range of 20–50% 1RM for the TBP and CGBP is suggested for strength-trained individuals.
机译:紧密握式卧推器(CGBP)是传统卧推器(TBP)的变体,握持力更窄(双肩峰距离约为95%),适用于运动员执行爆炸性手臂动作,手的位置靠近躯干。有限的研究已经研究了CGBP峰值功率。 26名受过力量训练的人完成了一次重复的最大TBP和CGBP。在另外两节课中,受试者在每次练习中以20%至90%的负荷尽可能有爆炸性地完成两次重复,并通过线性位置传感器测量峰值功率。阶乘方差分析计算出运动中和运动中的峰值功率差异。控制性别的偏相关确定了绝对强度和相对强度与峰值功率负载之间的关系。 TBP的峰值功率出现在50%1RM,CGBP出现在30%1RM。比较TBP和CGBP时,每个负载的峰值功率之间没有显着差异(p = 0.680)。对于运动内分析,对于20%至50%的1RM负载,TBP和CGBP峰值功率通常没有显着差异。强度和峰值功率负载之间没有显着关系(p = 0.100–0.587)。对于受过力量训练的个人,TBP和CGBP的峰值功率负载范围建议为20-50%1RM。

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