A strength training expert, who runs the 'hardest workout in NYC,' shares 3 habits to build muscle without working out on weekends

Source: Business Insider

James McMillian, the president of Tone House in New York City, focuses on full-body workouts and follows a simple, high-protein diet. James McMillianJames McMillian, the president of Tone House in NYC, has a few habits that keep him in shape. He works out twice a day on weekdays, leaving weekends free to spend time with his family.