The author, Max Unger, was more widely known by his stage name of "Strongfort" or Lionel Strongfort. "Some ... decry the practice of systematic physical culture, and recommend good, honest work as a satisfactory and sufficient means of building muscular tissue and promoting vigor. The toll of this, however, is obvious even to those who have never given the subject any special study, for among the millions of the workers of the world there are extremely few who can claim anything like a symmetrical or athletic development. Nearly all forms of labor are such as to overwork certain parts of the...