Maintaining the cool ideological distance that served so well in his last feature, “Up the Yangtze,” Mr. Chang quietly observes the tension between individual ambition and national identity. Though limited by gender — I would have liked to learn more about the female trainees than their habit of dissolving in giggles around their charismatic coach — this remarkably tender portrait positions a particularly violent sport as nothing less than a lifeline to the 21st century.
— ‘China Heavyweight,’ a Documentary by Yung Chang - NYTimes.com