I don't know but i don't think it is a good idea.
About 90 calories.
you burn nothing cause your fat
About 450 calories
263
50
2
You don't burn much, but certainly about a good 20 to 50 calories.
10 calories an hour, sugar free gum.
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.
it depends how much you weigh.
Light reclining - reading burns 70 calories per hour.
You Burn 100 CALORIES But when you smile the strongest you burn 1,000 Calories