Emily Ouma teaches proper plank stance

https://www.youtube.com/watch?v=QsZ6BglUcck

Hiyo mattercore ni enyewe ya jaruo
https://ichef.bbci.co.uk/news/410/media/images/81666000/jpg/_81666333_81666176.jpg

https://www.youtube.com/watch?v=w0A14Eg_MXo

https://www.youtube.com/watch?v=S4cFpg0P1lE

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well dAMN