Weight-sensitive sports are popular among elite and nonelite athletes. Rapid weight loss (RWL) practice has been an essential part of many of these sports for many decades. Due to the limited epidemiological studies on the prevalence of RWL, its true prevalence is unknown. It is estimated that more than half of athletes in weight-class sports have practiced RWL during the competitive periods. A...

Through analyzing Chinese and foreign sports industry TFP, by applying DEA approaches to detect Chinese and foreign sports product industry TFP fluctuation, and researching on its influence factors targeted at the case, the paper gets Chinese and foreign sports product industry overall TFP index description process from year 2010 to 2013, gets that Puma, Adidas, and Nike represented foreign spo...

.................................................................................................................................................. 4 Introduction ............................................................................................................................................. 4 Background ...................................................................................