2011～2012赛季李娜竞技状态起伏的影响因素解析OACHSSCD

Li Na' s competitive state in the past two seasons was undulating, thus leading to fluctuations in world rankings. The analysts believe the factors resulting in the ups and downs as the follows: weakness in regulation and the ability to control her emotions, the technical and tactical measures subject to unforced errors, face of pressure from outside the stadium about the outcome, frequent participation in commercialactivities, age and injuries.