I can’t make this stuff up. From icanhasahotdog.com:

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Invented by American Suzi Teitleman, who noticed her spaniel enjoyed taking part in her daily exercise routine, doga has become very popular in Asia, where owners take their pets to specialized classes like that led by renowned yoga instructor Suzette Ackerman, in Hong Kong. It’s believed dog yoga helps strengthen the bond between canine and owner, and also does wonders for their circulation, digestion and joints.