School of Health and Human Sciences, Southern Cross University, Lismore, New South Wales, Australia.
J Strength Cond Res. 2018 Jun;32(6):1525-1530. doi: 10.1519/JSC.0000000000002246.
Hammer, ME, Meir, RA, Whitting, JW, and Crowley-McHattan, ZJ. Shod vs. barefoot effects on force and power development during a conventional deadlift. J Strength Cond Res 32(6): 1525-1530, 2018-The kinetics of a conventional deadlift in shod (S) vs. unshod (US) footwear conditions in 10 male participants (mean ± SD, age = 27.0 ± 5.8 years; body mass = 78.7 ± 11.5 kg; height = 175.8 ± 8.2 cm; 1 repetition maximum [1RM] deadlift = 155.8 ± 25.8 kg) was assessed in 2 testing sessions. A counterbalanced, cross-over experimental design was used with different loads (60 and 80% 1RM). Four sets of 4 repetitions were prescribed per session with 2 sets per shoe and with each shoe condition involving 1 set per load. Peak vertical force (PF), rate of force development (RFD), time to peak force (TPF), anterior-posterior (COP-AP) and mediolateral (COP-ML) center of pressure excursion, and barbell peak power data were recorded during all repetitions. Except for RFD (F = 6.389; p = 0.045; ηp = 0.516) and ML-COP (F = 6.696; p = 0.041; ηp = 0.527), there were no other significant main effects of shoe. There were significant main effects of load for PF (p ≤ 0.05), COP-AP (p = 0.011), TPF (p = 0.018), and COP-AP (p = 0.011). There were no significant interactions found between session, shoe, and load (p range from 0.944 to 0.086). Although the US condition may have produced changes in RFD and ML-COP compared with the shod condition, there is only limited evidence in the current study to support this lifting technique for the conventional deadlift. Further investigation is required to clarify any possible implications of this result and its benefit to lifters.
哈默 ME、迈尔 RA、惠廷 JW 和克劳利-麦克哈坦 ZJ。传统硬拉中穿鞋和光脚对力量和功率发展的影响。J 力量与调节研究 32(6):1525-1530,2018-在 10 名男性参与者（平均 ± SD，年龄=27.0±5.8 岁；体重=78.7±11.5 公斤；身高=175.8±8.2 厘米；1 次重复最大[1RM]硬拉=155.8±25.8 公斤）的 2 次测试中评估了传统硬拉在穿鞋（S）和光脚（US）条件下的动力学。使用平衡、交叉实验设计，不同负荷（60%和 80%1RM）。每次测试 4 组 4 次重复，每组 2 次，每只鞋 1 组，每只鞋每组 1 个负荷。记录所有重复的垂直力峰值（PF）、力发展率（RFD）、力峰值时间（TPF）、前后向（COP-AP）和内外向（COP-ML）压力中心偏移以及杠铃峰值功率数据。除了 RFD（F=6.389；p=0.045；ηp=0.516）和 ML-COP（F=6.696；p=0.041；ηp=0.527）外，鞋没有其他显著的主要影响。负荷对 PF（p≤0.05）、COP-AP（p=0.011）、TPF（p=0.018）和 COP-AP（p=0.011）有显著的主要影响。在测试、鞋和负荷之间没有发现显著的交互作用（p 范围从 0.944 到 0.086）。尽管 US 条件与穿鞋条件相比可能会改变 RFD 和 ML-COP，但目前的研究只有有限的证据支持这种传统硬拉技术。需要进一步的研究来澄清这一结果的任何可能影响及其对举重运动员的益处。
