It would be practically impossible to lose weight just with exercise alone. An average person weighing 145 lbs. would need to perform a total of 17,500 sit-ups in order to burn a pound of fat which is equivalent to 3500 calories. This is why doctors recommend combining diet and exercise.
The amount of calories burned depends on your weight and how fast you do them. If you do 100 in 10 minutes, you burn 57 Calories. This means 20 minutes of 200 sit-ups without stopping will equal 114 calories burned for a 150 pound person.
How many sit ups it will take to burn 400 calories depends upon your body weight, how fast you do the sit ups and how long they take you. It is said that for every 5 sit ups you burn 1 calorie, so this means it would take about 2,000 sit ups to burn 400 calories.
Not very many. I don't know the exact number, but it's been estimated that one can burn only 3-5 calories a minute.
A person will have to do around 1200 sit-ups in order to burn 300 calories. Sit-ups are a useful exercise for those who want to build up their abs.
If you were to do situps for a continuous ten minutes vigoursly you would burn 90 calories.
Sit-ups have to be done briskly in order to burn a significant amount of calories. Fifty sit-ups on average would only burn about 30 calories.
In a 16 ounce bottle of soda, there are about 184 calories. The rate at which the sit-ups are performed will determine the amount of calories burned. If 100 sit-ups in around 10 minutes, 57 calories. It would take around 300 sit-ups in 30 minutes.
Doing 30 sit-ups will only burn about 7 calories. The amount of carbs burned is not really something that can be determined as it usually goes by calories.
Bad news: 8000
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.
Not very many, but doing all 100 of them in a row will give abs to your abs. I don't know but if you want to burn calories jogging is a better way to do it.
50000000000
Ok, that stuff was junk. You burn about .2 calories per sit-up for the average person. So in other words, 10 sit-ups burns 2 calories. If you're looking to lose weight, I suggest jogging, walking or running. Again based on the average weight and height 1000 sit-ups is equivalent to jogging, running, or walking from around 2.5 to 3.5 mi. for the average person. Pick your poison. DO one of them for 17.5 days eating around the recommended amount of calories per day, and viola, you have lost a pound, though it also helps to switch out some foods, like eat an apple instead of a candy bar, trade in 2% milk for skim, eat vegetables to your meal, grill rather than fry. All these things will help. directly @topic: .2 calories
The number of sit-ups that you need to do to lose two inches depends on many factors. The first is how much you weigh when you begin. The second is how long it takes to do those sit-ups. The faster you do them, the more calories you burn. Doing 100 sit-ups in 10 minutes will burn approximately 57 calories.
It depends on how many calories you eat versus how many calories you burn through this exercise.
When it comes to burning calories, how hard and for how long is much more important than what you do. Pretty much all activities that gives you the same increase in heart rate for the same time will burn the same amount of calories. Now, it can be a bit difficult to get a good burn going doing sit-ups only, as most people won't have enough upper body endurance to keep doing it fast and long. And it's dependent on weight, gender, age, fitness level etc. But let's say you can do sit-ups at a pace that gets you about as sweaty and winded as if doing aerobics, then you'd need something like 30-45 minutes of continuous sit-ups to burn around 300 calories.