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首页> 外文期刊>European journal of applied physiology >Maximal strength training improves work economy, rate of force development and maximal strength more than conventional strength training
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Maximal strength training improves work economy, rate of force development and maximal strength more than conventional strength training

机译：与常规力量训练相比，最大力量训练可改善工作经济性，力量发展速度和最大力量

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This study compared maximal strength training (MST) with equal training volume (kg × sets × repetitions) of conventional strength training (CON) primarily with regard to work economy, and second one repetition maximum (1RM) and rate of force development (RFD) of single leg knee extension. In an intra-individual design, one leg was randomized to knee-extension MST (4 or 5RM) and the other leg to CON (3 × 10RM) three times per week for 8 weeks. MST was performed with maximal concentric mobilization of force while CON was performed with moderate velocity. Eight untrained or moderately trained men (26 ± 1 years) completed the study. The improvement in gross work economy was -0.10 ± 0.08 L min-1 larger after MST (P = 0.011, between groups). From pre- to post-test the MST and CON improved net work economy with 31 % (P 0.001) and 18 % (P = 0.01), respectively. Compared with CON, the improvement in 1RM and dynamic RFD was 13.7 ± 8.4 kg (P = 0.002) and 587 ± 679 N s-1 (P = 0.044) larger after MST, whereas isometric RFD was of borderline significance 3,028 ± 3,674 N s-1 (P = 0.053). From pre- to post-test, MST improved 1RM and isometric RFD with 50 % (P 0.001) and 155 % (P 0.001), respectively whereas CON improved 1RM and isometric RFD with 35 % (P 0.001) and 83 % (P = 0.028), respectively. Anthropometric measures of quadriceps femoris muscle mass and peak oxygen uptake did not change. In conclusion, 8 weeks of MST was more effective than CON for improving work economy, 1RM and RFD in untrained and moderately trained men. The advantageous effect of MST to improve work economy could be due to larger improvements in 1RM and RFD.
机译：这项研究比较了最大力量训练（MST）与相等于常规力量训练（CON）的训练量（kg×套×重复次数），主要是关于工作经济性，以及第二个最大重复次数（1RM）和力量发展率（RFD）单腿膝盖延伸。在个人内部设计中，将一只腿随机分配为膝伸MST（4或5RM），另一只腿随机分配为CON（3×10RM），每周3次，共8周。 MST以最大同心力进行，而CON以中等速度进行。八名未经训练或中度训练的男性（26±1岁）完成了研究。 MST后，总工作经济性的改善幅度较大-0.10±0.08 L min-1（P = 0.011，两组之间）。从测试前到测试后，MST和CON分别改善了网络经济性，分别为31％（P <0.001）和18％（P = 0.01）。与CON相比，MST后1RM和动态RFD的改善分别为13.7±8.4 kg（P = 0.002）和587±679 N s-1（P = 0.044），而等距RFD的临界意义为3,028±3,674 N s -1（P = 0.053）。从测试前到测试后，MST分别将1RM和等距RFD分别提高了50％（P <0.001）和155％（P <0.001），而CON将1RM和等距RFD分别提高了35％（P <0.001）和83％ （P = 0.028）。股四头肌肌肉质量和峰值摄氧量的人体测量指标没有改变。总之，在未经培训和中级培训的男性中，MST的8周时间比CON更为有效，可改善工作经济性，1RM和RFD。 MST改善工作经济性的有利效果可能是由于1RM和RFD的更大改进。

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