Exercise bikes have been around for decades and have improved in design and function over the years. They have been proven to provide weight loss and health benefits if used consistently and correctly. They offer a good cardio workout as well, while limiting impact and injury to knees and hips. Stepping height can be adjusted to accommodate different body sizes and fitness levels, however, it can be easy to put too much stress on ankles and back when using a stair stepper. Both size and price are in the moderate range. There are many other types of home fitness equipment, including free weights, ski machines, ab machines, and hybrids like exercise riders. Be sure to research a piece of equipment like a home gym or weight training station. People are more likely to exercise on a regular basis. According to Consumer's Union, it is the beginner, or inexperienced, exercisers that are most likely to be used on a regular basis. Crunches can also be done on an exercise ball and many feel it is more effective