From Hindupedia, the Hindu Encyclopedia
By Swami Harshananda
Nauli is one of the ṣaṭkarmas or six purificatory acts. It consists of moving the muscles of the belly forcibly from the left to the right in a wavy fashion. It removes dispepsia and increases the power of digestion. However, it is to be learnt and practiced under expert guidance.
- The Concise Encyclopedia of Hinduism, Swami Harshananda, Ram Krishna Math, Bangalore