Matsyendrasana
Matsyendrasana (Sanskrit: मत्स्येन्द्रासन; IAST: Matsyendrāsana), Matsyendra's Pose or Lord of the Fishes Pose is a seated twisting asana in hatha yoga and modern yoga as exercise. The full form is the difficult Paripurna Matsyendrasana. A common and easier variant is Ardha Matsyendrasana. The asana has many variations, and in its half form is one of the twelve basic asanas in many systems of hatha yoga.