NAR-Nucleus of High Performance in Sport, São Paulo, São Paulo, Brazil.
Department of Mechatronics Engineering, University of São Paulo, São Paulo, Brazil.
J Strength Cond Res. 2021 Feb 1;35(2):300-309. doi: 10.1519/JSC.0000000000002543.
Loturco, I, Suchomel, T, Kobal, R, Arruda, AFS, Guerriero, A, Pereira, LA, and Pai, CN. Force-velocity relationship in three different variations of prone row exercises. J Strength Cond Res 35(2): 300-309, 2021-This study examined the force-velocity relationship and tested the possibility of determining the relative loading intensity percentage of 1 repetition maximum (%1RM) in 3 different variations of prone row exercises. Thirty male top-level athletes from 2 different sports (National Team rugby union players and professional mixed martial arts fighters) were submitted to maximum dynamic strength assessments in the free prone bench pull, bent-over barbell row, and bent-over Smith machine row, after standard procedures encompassing lifts performed from 40 to 100% of 1RM. The mean velocity, mean propulsive velocity, and peak velocity were measured in all attempts. Linear regression analyses were performed to establish the relationships between the different measures of bar velocities and %1RM. The actual (obtained during the assessments) and predicted 1RM values (based on the predictive equations) for each exercise were compared using a paired t-test. In all exercises, the predicted 1RM scores-based on all velocity variables-were not different from their respective actual values. The close linear relationships between bar velocities and distinct %1RM (coefficient of determination ≥80%, in all experimental conditions) allow precise determination of relative load and maximum dynamic strength, and enable coaches and sports scientists to use the different velocity outputs to rapidly and accurately monitor their athletes on a daily basis.
洛图科、伊、苏乔梅尔、特、科巴尔、罗、阿鲁达、AFS、格雷罗、阿、佩雷拉、LA 和派、CN。三种不同俯姿划船练习的力量-速度关系。J 力量与调节研究 35(2):300-309，2021-本研究检验了力量-速度关系，并测试了在三种不同俯姿划船练习中确定 1 次最大重复次数（%1RM）相对负荷强度百分比的可能性。来自两个不同运动（国家橄榄球联盟球员和职业混合武术战士）的 30 名男性顶级运动员接受了自由俯姿卧拉、俯身杠铃划船和俯身史密斯机划船的最大动态力量评估，标准程序包括从 40%到 100%的 1RM 进行的举重。在所有尝试中测量平均速度、平均推进速度和峰值速度。进行线性回归分析以建立不同棒速测量值与%1RM 的关系。使用配对 t 检验比较每个练习的实际（在评估期间获得）和预测 1RM 值（基于预测方程）。在所有练习中，基于所有速度变量的预测 1RM 得分（基于预测方程）与各自的实际值没有差异。棒速与不同%1RM（在所有实验条件下，决定系数≥80%）之间的紧密线性关系允许对相对负荷和最大动态强度进行精确确定，并使教练和运动科学家能够使用不同的速度输出来快速准确地每天监测他们的运动员。
