A strength training expert, who runs the 'hardest workout in NYC,' shares 3 moves to build muscle fast

Fonte: Business Insider

James McMillian, the president of Tone House, shared his tips for building muscle, whether you're a complete beginner or just pressed for time. James McMillianJames McMillian is the president of Tone House, a strength training facility in New York City. McMillian shared a few tips for building muscle fast, especially if you don't have a lot of time.