Also: Yoganidrasana (yogic sleep); head-foot position; leg-head position

A frontbend with ankles crossed behind the neck. The shoulders and arms may be fulled front of the knees or behind, in front is generally more comfortable with adequate flexibility.

if balanced in a sitting pose, it's Dvi Pada Sirsasana,

Compare Di Mario Knot.

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Definition based on the Contortion Glossary by Greg Ullman and Tige Young