More to explore:
30 day push up challenge - Google Search
March Abs Madness. Google Image Result for http://challengesaccepted.files.wordpress.com/2013/03/march-ab-challenge.jpg
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March Ab-Ness: 30 Day Ab Challenge
LIVESTRONG.COM's 30-Day Push-Up Challenge
30 days sit & push up challenge - If I could just STICK to something for 30 days. Geez
30 day exercise challenge .. Sit ups/crunches/plank/push ups
NEW YEARS CHALLENGE FUCK YEA! - Imgur
"30 days has September..." - This little ditty just got tough - to celebrate a month lacking a 31st day, let's take on another 30 Day Fitness Challenge. Can work for any month
Give your gams some love with this 4-week squat challenge.
30 day challenge
Link Works!! - 30-day #fitness challenge! #abs #legs #workout
30 Day Fitness Challenge - Dancing in the Rain
The Ultimate 30 Day Sit Up Challenge! Great workout and great motivation! See if you can do the full 30 days!
Dynamic 30-Day Plank Challenge