plank progression videos

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'Plank Progression - From Rookie to RIPPED ABS in 7 Minutes with Planks!'
'Plank Progression - From Rookie to RIPPED ABS in 7 Minutes with Planks!' 07:09 May 15, 2021
'Planks too Easy? Do This Exercise Instead!'
'Planks too Easy? Do This Exercise Instead!' 03:51 May 6, 2021