1950s “Heavy Hands” Training: The Secret to Building Lean Muscle and Boosting Endurance
In the 1980s, a concept hit the fitness world that still has power today—Heavy Hands training. Think of it as the love child of aerobics and weight training. It was revolutionary at the time: combining light weights with aerobic movements to build lean muscle, boost endurance, and improve overall fitness. But did you know this…