Asana : After yama and niyama, asanas come on third number. Asana meaiis 'position or posture of body'. It also means to sit in easy posture. Due to its popularity, most of the people think that yoga is nothing but asana. They are not aware that asana is a step towards yoga. In fact, asanas are performed to keep the body flexible, agile and young. Asanas also enhance the beauty of the body by reducing inappropriate accumulation of fat in the body. There are various types of asanas such as corrective asanas, relaxative asanas and meditative asanas. These types of asanas have different types of effects on various organs of body. These asanas activate the functions of various organs. Asanas can be performed from young age to old age without any problem.