Sit-ups Challenge

Day 1 is TODAY for the Ab and Squat Challenge! 10 sit ups, 10

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The Great Sit-Up Challenge

Sit ups challenge Stock Photos - Page 1 : Masterfile

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Mark Lapointe 1000 Sit-Up Challenge Fundraiser at Green Mountain

Sit-ups Challenge

Sit-Up Challenge (FREE), Virtual Fitness Challenges

The Situp Challenge