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  • 标题:Greater Strength Drives Difference in Power between Sexes in the Conventional Deadlift Exercise
  • 本地全文:下载
  • 作者:Margaret T. Jones ; Andrew R. Jagim ; G. Gregory Haff
  • 期刊名称:Sports
  • 电子版ISSN:2075-4663
  • 出版年度:2016
  • 卷号:4
  • 期号:3
  • 页码:43-52
  • DOI:10.3390/sports4030043
  • 出版社:MDPI Publishing
  • 摘要:Limited research exists comparing sex differences in muscular power. The primary purpose of this research was to determine if differences exist in power and velocity in the conventional deadlift (CDL). A secondary purpose was to examine the relationship among power, velocity, strength, and fat free mass (FFM). Eighteen strength trained athletes with ≥1 year CDL experience (women: n = 9, 29 ± 2 years, 162.3 ± 1.8 cm, 62 ± 2.4 kg, 23.3 ± 3.2 % body fat (�); men: n = 9, 29 ± 3 years, 175.6 ± 1.8 cm, 85.5 ± 1.4 kg, 14.8 ± 2.4 �), and ≥1.5 one repetition maximum (1-RM) CDL: body mass (BM) ratio (women: 1.6 ± 0.1 1-RM CDL: BM; men: 2.3 ± 0.1 1-RM CDL: BM), performed baseline (body composition, 1-RM CDL) and experimental sessions, in which velocity and power were measured at 30%, 60%, and 90% 1-RM. Repeated measures ANOVA and bivariate correlations were conducted. Men produced higher absolute average and peak power across all loads, but higher average velocity at only 30% 1-RM. When normalized to FFM, men produced higher peak and average power; however, women produced higher peak and average velocities across all loads. FFM and 1-RM were correlated with power. Greater power observed in men is driven by larger muscle mass, which contributes to greater strength.
  • 关键词:gender differences; resistance; velocity; 1-RM deadlift gender differences ; resistance ; velocity ; 1-RM deadlift
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