2 guys do planks every day for 30 days to see what happens. I challenged my 2 best friends to plank everyday to work on their core, because they always skipped their core workouts. Enjoy watching :) ---------------------------------------------------------------- Follow me on Instagram to add a step to the step-counter: https://www.instagram.com/johannesfit01 Thanks to @Browney for the inspiration! ---------------------------------------------------------------- If you can read this, do it: ╔═╦╗╔╦╗╔═╦═╦╦╦╦╗╔═╗ ║╚╣║║║╚╣╚╣╔╣╔╣║╚╣═╣ ╚═╩══╩═╩═╩═╩╝╚╩═╩═╝ #fitness #plankchallenge #challenge