Exercise is an essential part of losing weight, keeping it off and leading a healthy lifestyle. However, if you are an obese woman, your mobility, balance and stability may be compromised and heavy weight can cause joint damage. There is no need to fear, you can still exercise, as long as you modify traditional exercises so that they are safe for your physical condition. Before exercising, get full clearance from your doctor. Cardio Exercises That Burn Calories Aerobic exercise burns more calories than strength training and is essential for weight loss. Walking outdoors or on a treadmill, for example, is effective, but if you have orthopedic limitations or have back, hip, ankle or knee pain, it can be painful. Non-weight-bearing cardio exercises, which don't tax the lower body by carrying weight, may be a safer option. Consider pedaling a recumbent bike, using an upper-body ergometer, or doing chair aerobics exercises in which you engage in repetitive movements, such as throwing air punches, while sitting in a chair. Water aerobics is also effective, as the support in water...