Gahreman Daniel, Moghadam Mehdi A, Hoseininejad Ehsan, Dehnou Vahid V, Connor Jonathan D, Doma Kenji, Stone Michael
College of Health and Human Sciences, Charles Darwin University, Darwin, Australia.
Sport Sciences Department, Literature & Human Sciences Faculty, Lorestan University, Khorramabad, Iran.
Biol Sport. 2020 Jun;37(2):105-112. doi: 10.5114/biolsport.2020.93034. Epub 2020 Feb 11.
This study examined the postactivation potentiation effects of combining squat and deadlift exercises on subsequent repeated jump performance. Fifteen, resistance-trained youth wrestlers were randomly allocated to either undertake back squats (BSq), deadlift (DL) or BSq and DL as supersets (BSq+DL), with a repeated jump protocol performed 8-minutes post-exercise in each session. Thereafter, a control condition (CON) was completed involving a general warm-up, followed by the repeated jump protocols. Power outputs, flight time, contact time and reactive strength index were recorded from each repeated jump protocol. Measures were compared between the BSq, DL and BSq+DL sessions and between sessions that generated the best power output (BEST) with CON via inferential statistics and effect size (ES) calculations. The BSq condition exhibited significantly greater power output compared to the CON condition (p<0.05, ES = 1.07), although no differences were identified for the other conditioning activities. Furthermore, power output, flight time and reactive strength index were significantly greater for the BEST compared to the CON condition (p<0.05, ES = 0.97-1.47). Results indicated that BSq was the optimal conditioning activity to increase power output during a repeated jump protocol. However, greater improvement during the BEST condition suggests that the type of conditioning activity should also be considered on an individual-basis.
本研究考察了深蹲和硬拉练习相结合对随后重复纵跳表现的激活后增强效应。15名经过抗阻训练的青少年摔跤运动员被随机分配，分别进行后深蹲（BSq）、硬拉（DL）或后深蹲与硬拉作为超级组（BSq+DL），每次训练后8分钟进行重复纵跳测试。此后，完成一个对照条件（CON），包括一般热身，然后进行重复纵跳测试。记录每次重复纵跳测试的功率输出、飞行时间、接触时间和反应力量指数。通过推断统计和效应量（ES）计算，比较BSq、DL和BSq+DL组之间以及与CON组中产生最佳功率输出（BEST）的组之间的测量结果。与CON组相比，BSq组的功率输出显著更高（p<0.05，ES = 1.07），尽管其他训练活动未发现差异。此外，与CON组相比，BEST组的功率输出、飞行时间和反应力量指数显著更高（p<0.05，ES = 0.97 - 1.47）。结果表明，在重复纵跳测试中，BSq是增加功率输出的最佳训练活动。然而，在BEST条件下有更大的改善表明，训练活动的类型也应根据个体情况考虑。
