100 Day Burpee Challenge
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December 7th, 2012, 04:48 AM
Join Date: Nov 2007
Oh hell no. Planks are kicking my arse. I don't know if my core isn't strong enough or if I'm doing them wrong but every time I do anything plank related my lower back is KILLING me the next day.
I'd be glad to join in another challenge that isn't a plank exercise.
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