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That means exercises like the reverse crunch and scissor kicks to hit the lower abs, crunches for the upper abs and bicycle crunches to work your obliques. Throw in one round of the plank extension to ...
Not that fussed about sit-ups? Me neither, so I say sweep them to one side and hit more muscles in one go using the good old do-it-all compound exercise — a multi-joint, multi-muscle move that hits ...