My friend has been inviting me for aerobics session, she has been doing the exercise for a long time and she noticed that I badly needed one. She told me that the gym she enrolled for aerobics has a lot of equipment and materials to enjoy with; they have thread mill, big to small size barbells and a yoga ball. I had not been using a yoga ball before, if I would try it, this will be the first time. Using this kind of exercise materials can help us to have a life in balance. Exercising is really good for our health however if you want to have positive results you should exert an effort to follow the diet rules and do it regularly.