There are a few different machines that a person can use at home for their abs. The first ab machine is the exercise ball. This is because some of the great things that a exercise ball can do for the body. The first thing is that it targets all of the muscles in the abdomen. The second thing is that is very comfortable to use and can be adjusted to fit your body. The third thing is that a person can get a full range of motion with all of their muscles. The fourth thing is that it does everything that it claims it will not. The fifth thing is that it is affordable to everyone who is using it. All of these things add up to together to make the exercise ball one of the best ab machines that a person can use for their abs. A person has the ability to do crunches on top of the ball. Plus they can prop up their feet on the ball in order to do sit ups if they have any
