Power quality is one of the important qualities of track and field athletes.The scientific and effective index and methods of muscle strength test are beneficial to the improvement of special strength and performance of track and field athletes.At present,the isokinetic testing,surface electromyography,（sEMG）and 3D force measuring system all have certain practical value and application prospect.%力量素质是田径项目运动员的重要素质之一。采取科学有效的肌肉力量测试指标和方法,有利于田径运动员专项力量和运动成绩的提高。目前,等速测试、表面肌电图和三维测力系统等技术在肌力测试方面都具有一定的实用价值和应用前景。
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