方法:实验于2005-12/2006-01在辽宁师范大学体育学院完成。选择大连实德三队健康男性足球运动员16名。
METHODS : The experiment was conducted at College of Physical Education , Liaoning Normal University from December 2005 to January 2006 . A total of 16 healthy male football players of the third team of Dalian Shide were enrolled .