How do muscles burn fat?

FACT: Your body really DOES burn more calories maintaining muscle than it does maintaining fat. FACT: This means that YES, the more muscle you build, the more calories your body will naturally burn each day on its own. FACT: Which means that building muscle DOES increase your metabolism. read more

2. Do Strength Training to Build Muscle. When you exercise, you use muscle. This helps build muscle mass, and muscle tissue burns more calories -- even when you're at rest -- than body fat. According to Wharton, 10 pounds of muscle would burn 50 calories in a day spent at rest, while 10 pounds of fat would burn 20 calories. read more

Adding muscle to your body burns fat because, well, muscle needs energy to survive. A pound of muscle uses between 75 and 150 calories a day (remember, it's working and using energy), while a pound of fat only needs 3 calories a day (fat does nothing to help your body, the ingrate, so it doesn't need energy to maintain itself). read more