good link for increasing your amount of sit-ups. If you liked the 100 push-ups then the 200 sit-ups is for you!
http://www.twohundredsitups.com
Get your game up, I started crunching like crazy..
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good link for increasing your amount of sit-ups. If you liked the 100 push-ups then the 200 sit-ups is for you!
http://www.twohundredsitups.com
Get your game up, I started crunching like crazy..
