An article about yoga in Yiddish was published in the פֿאָרװערטט in 2013. (Yiddish)
I was also interviewed on the Video Channel of the פֿאָרװערטט in 2014. (Yiddish with English subtitles)
Professor David Assaf’s musings on the phenomenon of yoga taught in Yiddish can be read on his popular blog עונג שבת. (Hebrew)