Every 50 calories translates to approximately one point in the Weight Watchers weight-loss program, according to the Weight Watchers Points Calculator. While not requiring calorie counting per se, the program does rely on reducing caloric intake to generate weight loss.

Bicycling is a versatile and low-impact aerobic exercise that also builds your leg muscles. Since you can bicycle under a variety of conditions at a range of speeds, the number of calories you burn also varies significantly.

You can lose a considerable amount of weight by walking and cutting calories. But to have permanent results, you don't want to lose more than 1 to 2 pounds per week.

A calorie is a unit of energy that people get from food. The body uses calories to keep you functioning even while you sleep or rest.

Burning 800 calories per day from physical activity or exercise may seem to be a daunting task; however, if you break it down into manageable pieces it may not be as difficult as it seems. This amount of exercise or physical activity can have a significant impact on maintaining a healthy weight.

New mothers often return home from the hospital eager to start shedding pounds and regain their former body shape. Breastfeeding adds a new element to the situation since crash diets, diet pills and low-fat diets are not an option for nursing mothers.

Running on an empty stomach may not burn more calories, but exercising when you are hungry can burn more fat. Your muscles burn carbohydrates for energy, but when a sufficient quantity of carbohydrates is not immediately available, your body turns to stored energy, or fat, to fuel your workout.

There's no question that running while pushing a jogging stroller provides a more strenuous workout than running alone. Figuring out exactly how many more calories you're burning while running with the added effort of pushing your child in a stroller, however, is no sweat.

The number of calories and grams of fat a female should consume varies according to age and level of physical activity. The more active you are, the higher your daily requirement of calories and fat grams.

Following a low-calorie diet is a smart strategy for weight loss. In fact, MayoClinic.com preventive medicine specialist Donald Hensrud, M.D. notes that cutting calories is even more effective for slimming down than regular exercise.

Flatbread is an alternative to traditional raised yeast bread, and it can be just as healthy and nutritious. Although some diets are more accommodating to flatbread than others, careful planning will allow you to fit it into any balanced, low-calorie eating plan.

The "wall sit" exercise is used in fitness workouts to help burn calories and tone muscle tissues. It's similar in form to a squat, but for some people, it's more challenging because of the way it's performed.