if you have an empty stomach your body goes into 'starvation mode' and you wont have the energy to burn fat. even if you do your body wont burn as much fat as it is trying to conserve energy. In order to lose weight you have to eat.
Exercise.
Exercise.
Exercise.
sit ups and push ups work your stomach muscles which helps burn more calories, every time you work out add a few extra weights to burn calories faster.
Wrapping yourself in saran wrap does not make exercise more effective. Nor does aluminum foil waxed paper or sandwich bags. The number of calories burned depends on the exercise you did- running walking, situps, swimming, etc.
Exercise.
Exercise.
athletics would be the strong sport to doand you will burn more calories
It all depends on the exercise that you do.
Isometric exercise will not burn very many calories. While it does burn some, it is a strength training exercise, whereas something like sit ups or running burns calories.
Any exercise would work, I personally enjoy running. But, there is a way to burn 500 calories without working out at all.
that depends on what type of exercise you are performing. Differant exercises require differant times & burn differant calories