Good question thanks for asking :- )
Think of it as your body’s engine and the fuel required for it to function correctly, in this case the fuel is calories. No matter what you are doing you are using this fuel, running, and breathing or even sitting all day playing on your Xbox 360.
How Fast are you Going?
Three factors determine your metabolic rate, which is the amount of calories your body uses every day. The basal metabolic rate (BMR) is the rate your body uses energy for vital body processes. The rate you burn energy during physical activity and the rate you use energy during digestion of food are the two other factors involved in your total metabolic rate. To improve your metabolic efficiency you only need to alter what you eat and what you do a little bit to experience a difference in how you look and feel.
The best way to jump-start your metabolism is to exercise. Exercise will reduce body fat and increase lean muscle mass. By increasing lean muscle mass, metabolism will increase and aid in the weight-loss process. Muscle tissue uses more calories than fat tissue because it has a higher metabolic rate. Aerobic exercise, like walking, swimming or cycling, has the added bonus of speeding up your metabolism for 4 to 8 hours after you stop exercising. Additional calories will be burned off long after you stop exercising.
Generally you find people with more muscle than body fats have a quicker metabolism; this is due to muscle requiring more calories (fuel).
In addition to using more weights, you can speed up your engine by changing your diet and eating small portions more often as well as eating a better balance of foods.
And remember, jump starting your metabolism early in the morning will have you burning more calories throughout the day; that’s why breakfast is the most important meal of the day. Have a high protein kick to get you going in the morning.
Metabolism Explained; courtesy of Erin Huggins, who helps women break free from emotional eating
About the Author: Craig Addyman is the author of the 6packproject.com where he talks about everything from how to get 6 pack abs, nutrition and weight loss, as well as training techniques and honest reviews and industry interviews! Follow him on twitter @6packproject