Wikipedia
Sarvangasana
Sarvangasana (; ; IAST: sarvāṅgāsana) or Shoulderstand is an āsana.
Many variations of the Shoulderstand exist, the likely most common to be taught is Supported Shoulderstand (Salamba Sarvangāsana).
Sarvangāsana is nicknamed "queen" or "mother" of all the asanas.