Obesity can contribute to conditions such as degenerative disc disease and spinal stenosis. Both are factors in sciatica – pain in the lower back, leg and hip. Exercise can reduce the risk of obesity-related disease and facilitate weight loss.

Counting calories is one method of weight loss. However, it is difficult to know exactly how many calories you burn doing a certain activity. The number of calories you burn performing deadlifts depends on many factors, including the type of deadlift, your weight, your metabolism and the intensity of your workout.

The Arc Trainer is part of the fitness equipment line offered by Cybex International. Cybex describes the trainer as neither an elliptical nor a stepper. The technology uses a distinctive low-impact motion that engages large muscle groups, such as the thighs, to increase strength and burn calories.

As its name suggests, the Total Gym is a piece of fitness equipment that is designed to take the place of all the other equipment you might find in a workout facility.

Since the body must expend energy to bring a beverage’s temperature to body temperature, calories are burned simply by drinking water.

A recumbent bike offers a more comfortable workout than other cardio equipment, such as a treadmill or upright bike. Because you sit back in a semireclined position, some users feel that a recumbent bike doesn't provide an intense, effective workout.

Tuberculosis, or TB, is a bacterial infection that affects the lungs. TB can also spread to other parts of the body, such as the brain, spine, bladder and joints. Only about 10 percent of those who have the TB bacteria, or germ, actually develop an active case of TB, according to FamilyDoctor.org.

The next time someone tells you to “shake a leg,” take their advice. Shaking your leg and fidgeting in your seat or with your hands can burn calories.

When your goal is to lose weight fast, even small changes in your diet and exercise routine can make a big difference. Exercise, in particular, is critically important, and you should do as much as possible – any time of day.

Low-impact aerobic exercise is one of the safest ways for those with chronic back problems to lose weight.

Bicycle crunches effectively train some of the muscles of your abdomen, but aren't good at helping you lose the fat covering them.

The physical activity skateboarding entails makes it a moderately intense aerobic activity, according to the Centers for Disease Control and Prevention. Whether you’re performing daring tricks or cruising down the sidewalk, skateboarding burns calories and improves your health.