Ardha Matsyendrasana | Yoga For Stress Relief | About Yoga in Spanishbr 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.