The reason is that they make the muscles strong and strengthen the body. These are effective as compared to others. It is easy to perform the exercises on free weights. One can hold the free weights more easily while standing. The muscles are also allowed to move freely and actively as the body supports the weights. The trainers at this centre are hired on the basis of their expertise in the respective field. They take into account the needs of the body of the individual they are asked to assist. Along with this nutritionists who are highly qualified are also hired to tell the clients about what food their body requires and what must not be taken by them. In the earlier times belly dancing was taught to the ladies of the Middle East in order to build up the hips and in order to make them ready for giving birth to children. This was like a tradition in the past which later took the form of an art or say, exercise and entertainment. For a belly dancer of complex level it is normal to make 30 moves in the dance. Plastic weights are often filled with sand. If you require working out on particular muscles of your body then you can think of working out in weight machines. The groups of machines that you can work on are deltoids, biceps and quadriceps in a safe manner. Furthermore you cannot work out effectively with free weights on your calf muscles and hamstrings. Many workout machines are available in the market these days. It is commendable that you must select the correct home fitness machine so that you can have a better quality exercise. Firstly look out for fitness machine that will give some stress on your whole body. Also work out with your heart to keep away any heart disease. They try extremely hard to get the body like that of an athlete. But the fact is that physical fitness means that you must have the stamina to all the physical activities and the resistance level of the body must be optimum. And one reaches the zenith of fitness when your body has all that is required at a level that can be termed as the finest.