Objective: To evaluate the test-retest reliability of isometric test of quadriceps femoris and hamstring by EN-Tree M Explosive pulley 2000.

• 目的：研究等张肌力测试系统所测健康成年人股四头肌、胭绳肌等张肌力各项参数的重测信度．为等张肌力测试的临床推广应用提供基础依据。