▁the ▁circul ation ▁in ▁the ▁pel vic ▁region ▁and ▁to ▁rel ieve ▁sci atica . ▁The ▁pose ▁is ▁stated , ▁again ▁without ▁evidence , ▁to ▁be ▁useful ▁for ▁" g yna ec ological ▁problems ", ▁and ▁safe ▁in ▁both ▁men stru ation ▁and ▁pre gn ancy ▁provided ▁no ▁stra in ▁is ▁applied . ▁However , ▁the ▁founder ▁of ▁As ht anga ▁V iny asa ▁Y oga , ▁K . ▁P att ab hi ▁Jo is , ▁states ▁that ▁it ▁should ▁not ▁be ▁performed ▁in ▁pre gn ancy , ▁though ▁agree ing ▁on ▁its ▁benefit ▁for ▁the ▁sci atic ▁n erve . ▁ ▁See ▁also ▁▁ ▁List ▁of ▁as anas ▁ ▁Notes ▁ ▁References ▁ ▁S ources ▁▁▁▁ ▁</ ref > ▁▁▁▁▁▁▁ ▁Category : S itting ▁as anas ▁Category : For ward ▁b end ▁as anas <0x0A> </s> ▁Wayne ▁Prior ▁( born ▁ 3 0 ▁September ▁ 1 9 5 2 ) ▁is ▁a ▁former ▁South ▁Australian ▁cr ick eter . ▁He ▁never ▁played ▁in ▁the ▁official ▁Australian ▁team , ▁but ▁did ▁play ▁for ▁Australia ▁in ▁World ▁Series ▁Cr icket . ▁ ▁Born ▁in ▁Sal is bury , ▁South ▁Australia , ▁Prior ▁played ▁cr icket ▁and ▁Australian ▁rules ▁football ▁as ▁a ▁junior ▁before ▁developing ▁into ▁a ▁tall , ▁rang y ▁right - arm ▁fast ▁bow ler , ▁who , ▁on ▁his ▁day , ▁was ▁one ▁of ▁the ▁fast est ▁in ▁Australia . ▁ ▁Prior ▁made ▁his ▁first - class ▁debut ▁for ▁South ▁Australia ▁on ▁ 1 ▁November ▁ 1 9 7 4 ▁against ▁the