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首页> 外文期刊>Journal of fiber bioengineering and informatics >Effect of Compression Tights on Performance During Intense Pedalling Exercise*
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Effect of Compression Tights on Performance During Intense Pedalling Exercise*

机译：强力踏板运动中紧身裤对运动表现的影响*

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摘要

The purpose of this study was to investigate the effect of wearing tights on performance while pedalling at high intensity. Eight male undergraduates majored in sports science volunteered to participate in the experiments. Subjects wearing Gradient Compression Tights (GCT) or loose pants as control condition (CONT), pedalled on the power bicycle-ergometer at 180W/60RPM till exhaustion. Surface EMG was recorded at the surface of Rectus Femoris (RF), Vastus Lateralis (VL), Biceps Femoris (BF) belly, Tibialis Anterior (TA) belly and Medial Gastrocnemius (GM) and the heart rate was also monitored. It was confirmed that the GCT exerted gradient pressure distribution on the surface of lower limbs. Such gradient pressure helped to increase the venous return and the heart output, resulted in relatively lower heart rate and longer pedalling duration. The EMG analysis showed significant effect on the average EMG (aEMG) and the Mean Power Frequency (MPF) caused by GCT. Based on a pattern of motor recruitment with the recurrent inhibition, it was speculated that the pressure might enhance the activity of inhibition interneurones, more Motor Units (MU) of low thresholds were inhibited. Due to the less contribution of low-frequency components, the aEMG was lower and the MPF was higher.
机译：这项研究的目的是研究高强度踩踏时穿着紧身衣对运动表现的影响。 8名体育科学专业的男大学生自愿参加了实验。穿着梯度压缩紧身裤（GCT）或宽松裤作为控制条件（CONT）的受试者，以180W / 60RPM的速度踩踏电动自行车测功机，直至筋疲力尽。在直肌（RF），腓肠肌（VL），肱二头肌（BF）腹部，胫骨前（TA）腹部和腓肠肌内侧（GM）的表面记录表面肌电图，并监测心率。证实了GCT在下肢表面上施加了梯度压力分布。这样的梯度压力有助于增加静脉回流和心输出量，导致相对较低的心率和较长的踩踏时间。肌电图分析显示对GCT引起的平均肌电图（aEMG）和平均功率频率（MPF）有显着影响。根据具有复发抑制作用的运动募集的模式，推测压力可能会增强抑制interneurones的活性，更多的低阈值运动单位（MU）被抑制。由于低频成分的贡献较小，因此aEMG较低，MPF较高。

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