Sun Salutation or Surya Namaskar consist of 12 dynamic and powerful yoga asanas , these yoga asanas are very useful in good health and calmness. Surya Namaskar is a daily workout of your body and mind. Regular practice of Surya Namaskar results in a healthy body, soul, and mind.

Source: http://www.rishikeshyogsansthan.com/blog/surya-namaskar/steps-benefits-of-surya-namaskar-the-sun-salutation