gettinng better at performing free weight exercises will help you all around in your workout program. these exercises are the most effective exercises that you will do for just about every aspect of fitness. free weights will help you to develop strength, mass , cordination, and will also help you to burn fat form your mid section. you can get six pack abs by doing free weight exercises because building muscle will burn fat all by itself. your body needs to work to support the muscle mass. muscle mass is what it is all about when you are lifting weights to get stronger.