1-2 of about 2 matches for site:www.guinnessworldrecords.com plank position
https://www.guinnessworldrecords.com/business-marketing-solutions/ente...
Guinness World Records title for the Most people holding the abdominal plank position has been an
https://www.guinnessworldrecords.com/business-marketing-solutions/empl...
Guinness World Records title for the Most people holding the abdominal plank position has been an