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Hate planks? I ditched them and added zombie sit-ups to my core routine for a week instead
The zombie sit-up isn’t for the faint of heart ... or visualize sucking your belly button in towards your spine. You’ll need a weight of some sort for this move, either a weight plate at ...
Tom's Guide21d
I ditched planks for zombie sit-ups for a week — here's what happened to my core
The zombie sit-up isn’t for the faint of heart ... or visualize sucking your belly button in towards your spine. You’ll need a weight of some sort for this move, either a weight plate at ...