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首页> 外文期刊>International Journal of Exercise Science >The Effect of Active Ankle T1TM Ankle Braces on the Timing of Muscular Activation in the Leg in Female Varsity Volleyball Players: A Pilot Study
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The Effect of Active Ankle T1TM Ankle Braces on the Timing of Muscular Activation in the Leg in Female Varsity Volleyball Players: A Pilot Study

机译：主动式踝关节T1TM踝关节支撑对女校排球运动员腿部肌肉激活时间的影响：一项初步研究

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International Journal of Exercise Science 11(1): 1086-1095, 2018. The objective was to examine the effect of Active Ankle T1TM ankle braces on the timing of muscular activation of the upper leg in female volleyball athletes during a one-legged landing task. Fourteen healthy female varsity volleyball athletes participated in this study. Each signed a participant recruitment form, consent form, a Physical Activities Readiness Questionnaire (PAR-Q) and completed the injury screening form. A warm up was completed followed by two practice jumps. Each participant was randomly assigned and counterbalanced to a condition to begin with (no brace or brace). Once the warm up and practice trials, the participant applied the appropriate condition. A researcher applied DelsysTM electrodes to the participant’s left leg on the vastus medialis and biceps femoris. The jumps consisted of a two foot approach, a two foot takeoff, and a landing on the left leg. The participants completed three trials in the first condition and then three in the opposite condition. A VertecTM device was used to increase participant’s motivation. The differences in timing of the muscular activation of the biceps femoris and vastus medialis were analyzed. A repeated measures t-test was used to analyze the data. There was no significant difference in timing of muscular activation of the biceps femoris and vastus medialis between the brace condition and no brace condition. The findings of this study show that the use of Active Ankle T1TM ankle braces do not increase the risk of injury to the anterior cruciate ligament in terms of timing of muscular activation.
机译：国际运动科学杂志11（1）：1086-1095，2018.目的是研究活动脚踝T1TM踝关节矫正对单腿着陆任务中女排运动员大腿肌肉激活时机的影响。 。十四名健康的女大学生排球运动员参加了这项研究。每个人都签署了参与者招募表，同意书，体育锻炼准备调查表（PAR-Q），并填写了伤害筛查表。完成热身，然后进行两次练习跳跃。每个参与者都被随机分配并平衡到开始时的状态（无括号或括号）。一旦进行了热身和练习试验，参与者就应用了适当的条件。一位研究人员将DelsysTM电极应用到参与者的内侧股骨和股二头肌的左腿上。跳跃动作包括两英尺进场，两英尺起飞和左腿着陆。参与者在第一个条件下完成了三个试验，然后在相反的条件下完成了三个试验。 VertecTM设备用于增强参与者的动力。分析了股二头肌和腓肠肌的肌肉激活时间的差异。重复测量t检验用于分析数据。在支撑状态和无支撑状态之间，股二头肌和股内侧肌的肌肉激活时间没有显着差异。这项研究的结果表明，就肌肉激活的时间而言，使用Active Ankle T1TM踝关节支架不会增加对前交叉韧带造成伤害的风险。

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