Ardha Matsyendrasana | Yoga For Slimming, Posture And Benefits | Learn Yoga in Frenchbr br In Sanskrit language ‘ardha‘ means ‘half‘, ‘matsya‘ means ‘fish‘, ‘indra‘ means ‘king‘ and ‘asana‘ means ‘pose or posture‘. So it is called as Ardha Matsyendrasana. Basically it is stretching of entire spinal cord. Effective in strengthening the spine and bringing flexibility.