Sarvangasana
Sarvangasana ( ; IAST: "sarvāṅgāsana" ) , Shoulderstand , or more fully Salamba Sarvangasana ( Supported Shoulderstand ) , is an inverted asana in modern yoga as exercise; similar poses were used in medieval hatha yoga . 
<triplet> Sarvangasana <subj> asana <obj> instance of <triplet> Sarvangasana <subj> asana <obj> instance of