Cardio is important for weight loss, don't get me wrong, but if you want to change your body, you're going to need to strength training, too. If you've hesitated to start a strength training program, it may motivate you to know that lifting weights can:
Help raise your metabolism. Muscle burns more calories than fat, so the more muscle you have, the more calories you'll burn all day long.
Strengthen bones, especially important for women
Make you stronger and increase muscular endurance
Help you avoid injuries
Increase your confidence and self-esteem
Improve coordination and balance