Astanga Hrudaya
हस्तपादशिरोभिर्यो योनिं भुग्नः प्रपद्यते। पादेन योनिमेकेन भुग्नोऽन्येन गुदं च यः॥२९॥
Viskhambha abnormal presentations of fetus: Fetus descends into the genital tract in a crooked way (obstructing the vagina) by the hands, feet, head, or with one leg coming out through the vagina and the other through the rectum both these conditions are named as Vishkhambha.
english translation
hastapAdazirobhiryo yoniM bhugnaH prapadyate। pAdena yonimekena bhugno'nyena gudaM ca yaH॥29॥
hk transliteration by Sanscript