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Tag Archives: sit-ups

sit-up challenge
November Challenge 2018: SIT-UPS–> are you IN?
20 Days of Sit-ups Our penultimate challenge for 2018 brings us back to our core with a month of sit-ups! There are three levels to choose from. Select the [...]
sit-up challenge
November Challenge: SIT-UPS–> are you IN?
20 Days of Sit-ups Our penultimate challenge for 2017 brings us back to our core with a month of sit-ups! There are three levels to choose from. Select the [...]