In November of 1977, Jake Steinfeld, a freshman lacrosse player at the State University of New York at Cortland, was standing on a field in the hail. “What am I doing?” he wondered. It was freezing, and he saw no future in the sport. So Steinfeld — a weightlifting enthusiast since age 13 — dropped out, moved to Northridge, Calif., and became a bodybuilder.