Kinematics and kinetics of the bench-press and bench-pull exercises in a strength-trained sporting population     

Simon N. Pearson  John B. Cronin  Patria A. Hume  David Slyfield 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(3):245-254

Understanding how loading affects power production in resistance training is a key step in identifying the most optimal way of training muscular power – an essential trait in most sporting movements. Twelve elite male sailors with extensive strength-training experience participated in a comparison of kinematics and kinetics from the upper body musculature, with upper body push (bench press) and pull (bench pull) movements performed across loads of 10–100% of one repetition maximum (1RM). 1RM strength and force were shown to be greater in the bench press, while velocity and power outputs were greater for the bench pull across the range of loads. While power output was at a similar level for the two movements at a low load (10% 1RM), significantly greater power outputs were observed for the bench pull in comparison to the bench press with increased load. Power output (P _max) was maximized at higher relative loads for both mean and peak power in the bench pull (78.6 ± 5.7% and 70.4 ± 5.4% of 1RM) compared to the bench press (53.3 ± 1.7% and 49.7 ± 4.4% of 1RM). Findings can most likely be attributed to differences in muscle architecture, which may have training implications for these muscles.  相似文献   

奥帆赛对青岛酒店业的影响分析   总被引：1，自引：0，他引：1  

李峰  尹萍 《山东商业职业技术学院学报》2007,7(6):12-15

在对青岛酒店业发展现状分析的基础上，具体阐述了奥运会帆船比赛给青岛酒店业带来的机遇和挑战，并从战略角度提出了青岛酒店业应对奥运会挑战的相关对策建议。  相似文献   

6250ZC型船用柴油机凸轮磨损原因及其防护办法     

方三午 《岳阳职业技术学院学报》2004,19(4):95-98

本介绍了6250ZC型船用柴油机凸轮在岳化一号轮上的磨损原因，同时提出防止其磨损的办法。根据6250ZC型船用柴油机燃油供油、进排气要求对燃油凸轮、进排气凸轮磨损极限值作了一些理论和实践方面的探索。  相似文献