The national leaders in voluntary physical fitness in the eighties were the United States and japan. Fitness clubs were introduced into japan from America and 80 percent of their equipment is American -made. The number of Japanese sports clubs dedicated to physical fitness increased from 75 in 1987 to 705 in 1987, and the growth continues. Corporations in japan, like their American counterpart,are finding that keeping their employees fit pays dividends. In 1987 63.0 percent of Japanese health clubs were owned by corporations, 26.9 percent were privately owned,7.1 percent were owned by business partnerships, and 3.2 percent by other business ness concerns.