传统武术站桩肩背部负载分配的力学效果评价
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Mechanical evaluation of load distribution on human shoulder and dorsal muscles during traditional Chinese Gongfu stance
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    目的 研究长期进行传统武术站桩训练者站桩时不同肌肉负载的分配情况,评价站桩效果。方法 采用加拿大Flexcomp Infiniti10通道表面肌电采集系统,测量受试者(桩法训练组和对照组各7名)在站桩过程中肱桡肌、肱三头肌、三角肌、背阔肌和小腿三头肌的表面肌电,观察不同肌肉肌电在不同负载下的变化趋势,对其积分肌电(integral electromyography,IEMG)进行对比分析。结果 随着负载的增加,训练组背部和肩部IEMG的比值稳定在(0.372±0.258)与(0.257±0.146)之间,而对照组则在(1.313±0.698)与(0.800±0.405)之间。结论 训练组在空手站桩和负重站桩时,主要压力会集中在背阔肌,而对照组则集中在三角肌。

    Abstract:

    Objective To study the load distribution of muscles for those having long period stance training during traditional chinese Gongfu stance, and evaluate the effectiveness of such stance. Method Seven traditional Chinese Gongfu stance trainers and seven normal adults for the control were enrolled in the experiment. The sEMG (surface electromyography) signals of five muscles (brachioradialis, triceps brachii, deltoid, latissimus dorsi, triceps surae) were tested by Flexcomp Infiniti 10 channel sEMG collector. The value of IEMG (integral electromyography) were processed. Results With the increase of load, the ratio between deltoid IEMG and latissimus dorsi IEMG for the stance trained group stabilized in the range from (0.372±0.258) to (0.257±0.146), while that of the control was in the range from (1.313±0.698) to (0.800±0.405). Conclusions When the traditional Chinese Gongfu stance is processed with or without load, the trained group distributed major load on the dorsal muscle, while the control on the shoulder.

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孙世杰,闫松华,刘志成.传统武术站桩肩背部负载分配的力学效果评价[J].医用生物力学,2011,26(1):24-28

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  • 收稿日期:2010-09-03
  • 最后修改日期:2010-10-28
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