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首页> 外文期刊>Journal of Sports Science and Medicine >Reliability of Single-Leg Balance and Landing Tests in Rugby Union; Prospect of Using Postural Control to Monitor Fatigue
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Reliability of Single-Leg Balance and Landing Tests in Rugby Union; Prospect of Using Postural Control to Monitor Fatigue

机译：橄榄球联盟单腿平衡和着陆测试的可靠性;使用姿势控制监测疲劳的前景

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The present study examined the inter-trial (within test) and inter-test (between test) reliability of single-leg balance and single-leg landing measures performed on a force plate in professional rugby union players using commercially available software (SpartaMARS, Menlo Park, USA). Twenty-four players undertook test – re-test measures on two occasions (7 days apart) on the first training day of two respective pre-season weeks following 48h rest and similar weekly training loads. Two 20s single-leg balance trials were performed on a force plate with eyes closed. Three single-leg landing trials were performed by jumping off two feet and landing on one foot in the middle of a force plate 1m from the starting position. Single-leg balance results demonstrated acceptable inter-trial reliability (ICC = 0.60-0.81, CV = 11-13%) for sway velocity, anterior-posterior sway velocity, and mediolateral sway velocity variables. Acceptable inter-test reliability (ICC = 0.61-0.89, CV = 7-13%) was evident for all variables except mediolateral sway velocity on the dominant leg (ICC = 0.41, CV = 15%). Single-leg landing results only demonstrated acceptable inter-trial reliability for force based measures of relative peak landing force and impulse (ICC = 0.54-0.72, CV = 9-15%). Inter-test results indicate improved reliability through the averaging of three trials with force based measures again demonstrating acceptable reliability (ICC = 0.58-0.71, CV = 7-14%). Of the variables investigated here, total sway velocity and relative landing impulse are the most reliable measures of single-leg balance and landing performance, respectively. These measures should be considered for monitoring potential changes in postural control in professional rugby union.
机译：本研究研究了使用商用软件（SpartaMARS，Menlo）在专业橄榄球联盟球员中在力板上进行的单腿平衡和单腿着陆措施的试验间（测试内）和测试间（测试间）的可靠性。美国公园）。 24名运动员进行了测试–在48小时休息和相似的每周训练负荷后的两个赛季前的第一个训练日，两次（相隔7天）进行了两次重新测试。在闭眼的情况下在力板上进行了两个20s单腿平衡试验。通过跳离两只脚并在距起始位置1m的力板中间着一只脚着地，进行了三个单腿着陆试验。单腿平衡结果表明，摇摆速度，前后摇摆速度和中外侧摇摆速度变量的试验间可靠性（ICC = 0.60-0.81，CV = 11-13％）。对于所有变量，除了支配腿上的中外侧摇摆速度（ICC = 0.41，CV = 15％）外，所有变量的测试间可靠性（ICC = 0.61-0.89，CV = 7-13％）都是显而易见的。单腿着陆结果仅显示了基于力的相对峰值着陆力和冲击力的可接受的试验间可靠性（ICC = 0.54-0.72，CV = 9-15％）。测试间结果表明，通过对三个试验进行平均，提高了可靠性，而基于力的测量再次表明了可接受的可靠性（ICC = 0.58-0.71，CV = 7-14％）。在这里调查的变量中，总摇摆速度和相对着陆冲动分别是单腿平衡和着陆性能的最可靠度量。应该考虑采取这些措施来监视职业橄榄球联盟中姿势控制的潜在变化。

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